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> RPM reading @ 110km/h, survey

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TSjoanalooidog
post Aug 1 2008, 09:12 AM, updated 11y ago

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Hi all. Is it true that the lower the rpm reading, the better of the car's fc?

Currently I'm driving a b14 sentra '97(A).
RPM = 2700 @ 110km/h
The FC is around 11-13km /l

I'm interested to know others car like toyota seg 1.6, myvi 1.3, toyota vios, city idsi, hyundai getz 1.4. Both auto and manual............
others model are welcome also, thanks.

summary :

Model RPM @ 110 km/h
nissan sentra b14 1.6(A) 2.7k
sentra b14 SR16VE engine 3.3k
nissan sunny 1.3(M) 2.6k
getz 1.3 2.6k
kelisa 1.0(M) 3k
kelisa 1.0(A) 3.7k
kancil 660(M) 4.2k
kancil 850EX(M) 4.2k
myvi 1.0(M) 3.6k
myvi 1.3(A) 3k
kenari 1.0(A) 3.6k
kenari 1.0(M) 3.4k
viva 1.0 (A) 3.7k
saga blm 1.3(A) 3.1k
saga blm 1.3(M) 3.6k
waja cps (M) 3.2k
waja mitsu(M) 2.9k
savvy amt 3.6k
gen2 campro >3k
persona 3.2k
wira 1.5(M) 3.2k
wira 1.5(A) 3.8k
wira 1.6(A) 2.6k
wira 1.6 mivec(A) 2.5k
wira 1.6(M) F5M221XPXL GB 3.1k
wira 1.3(M) 3.2k
iswara 1.3(M) 3.5k
iswara 1.5(A) >3.9k shocking.gif
satria gti 3k
satria neo 1.6(A) 3k
satria 1.6(M) 2.8k
perdana v6 2.8k
honda civic eg 1.6(A) 3.1k
honda city idsi 2.7k
honda city vtec 2.5k
Honda City 2009 i-VTEC (5AT) 2.5k @ 120km/h
honda accord 2.0(A) 2.3k
honda accord 2.4(A) 2k
honda accord CB3 3k
civic ej8 b16a(M) 4k
civic fd2 1.8 2.35k
honda crv(3rd gen) 2.1k
vios 1.5(A) 2.5k
camry 2.4(A) 2.1k
toyota seg 1.6(A) ae111 2.5k
avanza 1.3(A) 4k
wish 2.0(A) 2k
wish 1.8(A) 2.9k
lexus rx300 3.0(A) 2.7k
suzuki swift 2.7k
Isuzu Trooper 4JG2 3k
kia carens 1.8(A) 2.9k
naza suria 1.1(A) 3k
hyundai accent 1.5(A) 2.5k
fiat punto 1.2(CVT) 2.2k
mitsubishi galant 1.8(M) 3.1k
Mitsu Lancer 2.4l (4g69) 3.1k
mazda 929 2.0(A) 2k
mazda 323 1.6(M) 3.5k
chevy optra 1.6 2.5k
chevy aveo 2.5k
bmw e90 325i 2.5(A) 2.2k
freelander td4 2.0 diesel 2k
citroen c3 1.6 (semiAuto) 2.3k
ford lynx 1.8(A) 2.75k
golf gti 2.6k
saab 9-5aero 2.1k
saab 9-3aero 1.8k
my Audi A4 2.0(A) 2.2k
Benz C200 2.9k

This post has been edited by joanalooidog: Aug 27 2009, 09:39 AM
jlce10
post Aug 1 2008, 09:15 AM

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proton waja
2.8k-3k RPM @ 110km/h

This post has been edited by jlce10: Aug 1 2008, 09:17 AM
sleepwalker
post Aug 1 2008, 09:15 AM

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The lower the RPM, the more efficient the engine and hence better fuel consumption. However, it cannot be used as a comparison as the engine itself would be the main factor in the calculation of fuel consumption and not the gear ratio. Furthermore, there are no aftermarket parts to change gear ratios (too much work to be cost effective) and hence it is seldom a factor in the calculation of FC.

The gear ratio is only effective in calculation if you are comparing 2 cars of the same make, same engine but different gear ratios.
Ultima
post Aug 1 2008, 09:18 AM

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erm my persona rpm 3k at 110km/h, but my 1.3 getz around 2.6k @ 110km/h...

so my getz more effective? sweat.gif

but when hi speed, my persona more effective tongue.gif
TSjoanalooidog
post Aug 1 2008, 09:19 AM

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QUOTE(Ultima @ Aug 1 2008, 09:18 AM)
erm my persona rpm 3k at 110km/h, but my 1.3 getz around 2.6k @ 110km/h...

so my getz more effective? sweat.gif

but when hi speed, my persona more effective tongue.gif
*
persona high rev engine mah....................
Seaedge
post Aug 1 2008, 09:21 AM

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my neo 1.3 RPM 3100 @ 110km/h


sleepwalker
post Aug 1 2008, 09:22 AM

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QUOTE(jlce10 @ Aug 1 2008, 09:15 AM)
proton waja
2.8k-3k RPM @ 110km/h
*
How could you have a range of 2.8k to 3k for your RPM? RPM per km/h is always fixed per gear and never changes until you suffer clutch slippage.


Added on August 1, 2008, 9:23 am
QUOTE(joanalooidog @ Aug 1 2008, 09:19 AM)
persona high rev engine mah....................
*
Actually, it's more of low power and need a shorter gear ratio to keep the car moving at high gear.

This post has been edited by sleepwalker: Aug 1 2008, 09:23 AM
Ultima
post Aug 1 2008, 09:24 AM

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maybe his car is going downhill, so at 2.8 oledi got 110km/h tongue.gif
jlce10
post Aug 1 2008, 09:32 AM

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QUOTE(sleepwalker @ Aug 1 2008, 09:22 AM)
How could you have a range of 2.8k to 3k for your RPM? RPM per km/h is always fixed per gear and never changes until you suffer clutch slippage.


Added on August 1, 2008, 9:23 am
Actually, it's more of low power and need a shorter gear ratio to keep the car moving at high gear.
*
nono, i not sure its either 2.8k or 3k... should be 3k bah...
sleepwalker
post Aug 1 2008, 09:33 AM

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QUOTE(Ultima @ Aug 1 2008, 09:24 AM)
maybe his car is going downhill, so at 2.8 oledi got 110km/h tongue.gif
*
Which part of 'fixed RPM per km/h' that you don't quite understand? It's a constant and not a variable as the gear ratio is fixed per gear.
advanceNissan
post Aug 1 2008, 09:34 AM

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I think the valve timing mechanism will also affect the RPM reading. My Sentra 1.6 MT driving at 110km/h, the rpm will increase or decrease slightly a little bit, from 2800 to 3000 rpm.
kcng
post Aug 1 2008, 09:36 AM

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different size rim will cause your speedo meter to over or under read and will make your rpm reading @ 110 km/h not accurate anymore

senario example
13" [email protected]
15" [email protected] <-- bigger rims cause the speedo meter to over read
Rusty Nail
post Aug 1 2008, 09:40 AM

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QUOTE(kcng @ Aug 1 2008, 09:36 AM)
different size rim will cause your speedo meter to over or under read and will make your rpm reading @ 110 km/h not accurate anymore

senario example
13" [email protected]
15" [email protected] <-- bigger rims cause the speedo meter to over read
*
dei, after change rims your speedo still the same reading. it's the actual speed that is different.
speedo reading is taken from gearbox, not gps/ satellite position tracking.
sleepwalker
post Aug 1 2008, 09:42 AM

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QUOTE(advanceNissan @ Aug 1 2008, 09:34 AM)
I think the valve timing mechanism will also affect the RPM reading. My Sentra 1.6 MT driving at 110km/h, the rpm will increase or decrease slightly a little bit, from 2800 to 3000 rpm.
*
IT has nothing to do with the engine. Your RPM meter is screwed if it moves while you maintain constant speed, or that your clutch is slipping. Your RPM is calculated at the engine. It is transferred to the gearbox by a big flywheel and clutch and turns the gearbox. The gearbox has fixed gears that will change the RPM of the engine to the RPM of your wheel. Each gear has a fixed ratio.

I don't care even if you jack your car up and spin the wheels. If it is 3000rpm at 110km/h on the road, it is still 3000rpm at 110km/h when the car is jacked up in the air and the wheels spinning freely.


Added on August 1, 2008, 9:44 am
QUOTE(kcng @ Aug 1 2008, 09:36 AM)
different size rim will cause your speedo meter to over or under read and will make your rpm reading @ 110 km/h not accurate anymore

senario example
13" [email protected]
15" [email protected] <-- bigger rims cause the speedo meter to over read
*
Wrong. Rusty nail is correct. Your RPM per KM/H on your dashboard will still remain the same. The only thing that will change is your actual speed and not speedo speed, meaning if the police shoots the laser camera at you, then you will be driving at 120km/h but speed still show 110km/h. That is how bigger wheel OD will affect you. It will not affect your speedo but affects your actual speed.

This post has been edited by sleepwalker: Aug 1 2008, 09:44 AM
LeVis_Jeans
post Aug 1 2008, 09:51 AM

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QUOTE(sleepwalker @ Aug 1 2008, 09:42 AM)

Added on August 1, 2008, 9:44 am
Wrong. Rusty nail is correct. Your RPM per KM/H on your dashboard will still remain the same. The only thing that will change is your actual speed and not speedo speed, meaning if the police shoots the laser camera at you, then you will be driving at 120km/h but speed still show 110km/h. That is how bigger wheel OD will affect you. It will not affect your speedo but affects your actual speed.
*
Bro, you are wrong.
He mean RPM vs KMH..
It really will change when u change bigger sport rim
Police laser camera will shoot on our KMH speed. but we also see the speed is correct.
Only the RMP change lower litter bit, but laser camera is capture our KMH meter, not RPM meter.

Use math calculation..You will get when u use
KM/H = RIM round per hour VS RP/M = Gear round per min

13" [email protected] (you will feel your car powerful, pickup damn good)
15" [email protected] (you will feel still power ok)
17" [email protected] (you will feel your car no power)


**PS: when down hill, my car can reach 110kmh with 1000 RPM.. cause use free gear.

This post has been edited by LeVis_Jeans: Aug 1 2008, 10:06 AM
sphiroth
post Aug 1 2008, 09:56 AM

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b00n
post Aug 1 2008, 09:58 AM

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Depending on which gear it's on.
I get around 2.5k (4th gear) at normal and 3k (3rd gear) if I really push....well it's an auto though...
LeVis_Jeans
post Aug 1 2008, 09:59 AM

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QUOTE(sphiroth @ Aug 1 2008, 09:56 AM)
Waja CPS (MT) 3.2k [email protected]/h
*
My Gen2 campro engine also same.. consume petrol so much when RPM over 3k. sad.gif
alabais
post Aug 1 2008, 10:01 AM

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Wira 1.5(M) 3.8K RPM for 110km/h ..

sleepwalker
post Aug 1 2008, 10:02 AM

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QUOTE(LeVis_Jeans @ Aug 1 2008, 09:51 AM)
Bro, you are wrong.
He mean RPM vs KMH..
It really will change when u change bigger sport rim
Police laser camera will shoot on our KMH speed. but we also see the speed is correct.
Only the RMP change lower litter bit, but laser camera is capture our KMH meter, not RPM meter.

Use math calculation..You will get when u use
KM/H = meter per hour VS RP/M = Round per min
13" [email protected] (you will feel your car powerful, pickup damn good)
15" [email protected] (you will feel still power ok)
17" [email protected] (you will feel your car no power)
*
You are wrong. It will not change. Your speedo comes from your gearbox. It is fixed. Changing the size of the wheel will not change the readings on your speedo meter. It does not matter whether you change to 20inch. If the rpm is 3000rpm at 110km/h on the respective tacho and speedo meter, it will remain at 3000rpm at 110km/h even if you change it to 20inch (even though you are travelling at 130km/h).

You have to remember that there are always 2 speeds.

1. KM/H on speedo meter (this cannot change as it is a fixed reading from the gearbox)
2. KM/H actual speed (this will change depending on the OD of your wheel)

What we are talking here is the reading on the speedo and tacho meter. Actual speed aka real speed aka speed captured by speed camera will change but not the reading on the speedo and tacho.

We are talking about the speed reading on the speedometer. That is the only speed that we know. You will NEVER know your actual speed until you get caught by the police or go through one of those speed indicators like the one on Kerinchi link.

This post has been edited by sleepwalker: Aug 1 2008, 10:04 AM
LeVis_Jeans
post Aug 1 2008, 10:03 AM

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QUOTE(alabais @ Aug 1 2008, 10:01 AM)
Wira 1.5(M) 3.8K RPM for 110km/h ..
*
What gear u use ?
shado
post Aug 1 2008, 10:03 AM

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Kelisa (M) 1.0
3000rpm @ 110km/h
sphiroth
post Aug 1 2008, 10:06 AM

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QUOTE(LeVis_Jeans @ Aug 1 2008, 09:59 AM)
My Gen2 campro engine also same.. consume petrol so much when RPM over 3k.  sad.gif
*
I feels that there is no difference in term of FC while cruising at 110km/h and 14km/h. Several CPS user also confirmed this. hmm.gif

QUOTE(sleepwalker @ Aug 1 2008, 10:02 AM)
You are wrong. It will not change. Your speedo comes from your gearbox. It is fixed. Changing the size of the wheel will not change the readings on your speedo meter. It does not matter whether you change to 20inch. If the rpm is 3000rpm at 110km/h on the respective tacho and speedo meter, it will remain at 3000rpm at 110km/h even if you change it to 20inch (even though you are travelling at 130km/h).

You have to remember that there are always 2 speeds.

1. KM/H on speedo meter (this cannot change as it is a fixed reading from the gearbox)
2. KM/H actual speed (this will change depending on the OD of your wheel)

What we are talking here is the reading on the speedo and tacho meter. Actual speed aka real speed aka speed captured by speed camera will change but not the reading on the speedo and tacho.
*
Correct. Only the actual speed will change when changing rims size. Can try to googled cars bible and use the provieded calculator to see how much the difference.
chitchat
post Aug 1 2008, 10:07 AM

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sleepwalker: can you explain a bit what is "clutch is slipping" ? Clutch want finish already, no teeth ?
invisiblelim
post Aug 1 2008, 10:11 AM

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i wanna ask.. i driving Kancil 850 Auto, RPM is maintain 3k when i was on 80km/h, is count normal or got problem? full tank RM60, can only go for 200+ km, count as normal??

This post has been edited by invisiblelim: Aug 1 2008, 10:11 AM
sleepwalker
post Aug 1 2008, 10:13 AM

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QUOTE(chitchat @ Aug 1 2008, 10:07 AM)
sleepwalker: can you explain a bit what is "clutch is slipping" ? Clutch want finish already, no teeth ?
*
The clutch has no teeth. The clutch disc has materials similar to the brake pads. Once that wears out, it starts to slip.

Engine crankshaft -> Flywheel -> Clutch -> gearbox. IF clutch is working then..

3000rpm at crank -> 3000rpm at flywheel -> 3000rpm clutch -> 3000rpm gearbox

If clutch slipping then

3000rpm at crank -> 3000rpm at flywheel -> 2500rpm clutch (slipping, can't hold on to flywheel) -> 2500rpm gearbox.


THis is just a rough explanation. Go google for full explanation.

This post has been edited by sleepwalker: Aug 1 2008, 10:15 AM
nimrod2
post Aug 1 2008, 10:15 AM

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QUOTE(invisiblelim @ Aug 1 2008, 10:11 AM)
i wanna ask.. i driving Kancil 850 Auto, RPM is maintain 3k when i was on 80km/h, is count normal or got problem? full tank RM60, can only go for 200+ km, count as normal??
*
your car engine 850cc only mah. cant get high speeds. at high speeds, u pushing the engine too far and this means higher fuel consumption biggrin.gif

my old iswara was about 3.1k @ 110km/h.


LeVis_Jeans
post Aug 1 2008, 10:18 AM

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QUOTE(sphiroth @ Aug 1 2008, 10:06 AM)
I feels that there is no difference in term of FC while cruising at 110km/h and 14km/h. Several CPS user also confirmed this.  hmm.gif
Correct. Only the actual speed will change when changing rims size. Can try to googled cars bible and use the provieded calculator to see how much the difference.
*
I using campro tongue.gif
I also tried before...if i run over 130-160kmh (RPM stick at 3.5-4k). Only can run over 480KM per tank.
If drive slow slow 90KMH (RPM only 2.5-2.7k). I can run over 550KM per tank.

This post has been edited by LeVis_Jeans: Aug 1 2008, 10:19 AM
invisiblelim
post Aug 1 2008, 10:20 AM

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QUOTE(nimrod2 @ Aug 1 2008, 10:15 AM)
your car engine 850cc only mah. cant get high speeds. at high speeds, u pushing the engine too far and this means higher fuel consumption biggrin.gif

my old iswara was about 3.1k @ 110km/h.
*
oh.. that means is normal de la? cause really feel like high fuel comsumption =.= i thought kancil should be save fuel de ma =.= rclxub.gif
nimrod2
post Aug 1 2008, 10:23 AM

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QUOTE(LeVis_Jeans @ Aug 1 2008, 10:18 AM)
I using campro tongue.gif
I also tried before...if i run over 130-160kmh (RPM stick at 3.5-4k). Only can run over 480KM per tank.
If drive slow slow 90KMH (RPM only 2.5-2.7k). I can run over 550KM per tank.
*
haha of course ler. lower rpm = lower engine power = less fuel consumtion lor biggrin.gif

QUOTE(invisiblelim @ Aug 1 2008, 10:20 AM)
oh.. that means is normal de la? cause really feel like high fuel comsumption =.= i thought kancil should be save fuel de ma =.= rclxub.gif
*
erm i'm not sure lah but coz your engine capacity is small, thus cant go higher speeds ler.
i think its efficient if u stay below 90km/h and city driving n stuff.
thats what i know.

unless the pro's here can explain better biggrin.gif
sleepwalker
post Aug 1 2008, 10:25 AM

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QUOTE(sphiroth @ Aug 1 2008, 10:06 AM)
I feels that there is no difference in term of FC while cruising at 110km/h and 14km/h. Several CPS user also confirmed this.  hmm.gif
Correct. Only the actual speed will change when changing rims size. Can try to googled cars bible and use the provieded calculator to see how much the difference.
*
FOr a moment there I thought you wrote 14km/h.. wait.. you did write 14km/h but you meant 140km/h right?

There would be a diffence. The other CPS users are wrong. For most road cars that is not aerodynamic in shape (like those lambo/Ferrari type), wind resistance becomes your number 1 fuel comsumption killer. For most cars, max efficiency is gain around 90-100km/h where the best rpm to speed ratio is gain and wind resistance is not an issue. Any slower and the rpm to speed ratio is no longer efficient as you take longer to reach your destination and any higher speed would encounter wind resistance that will require more fuel to keep the car running at that speed.
nimrod2
post Aug 1 2008, 10:31 AM

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QUOTE(sleepwalker @ Aug 1 2008, 10:25 AM)
For most cars, max efficiency is gain around 90-100km/h where the best rpm to speed ratio is gain and wind resistance is not an issue. Any slower and the rpm to speed ratio is no longer efficient as you take longer to reach your destination and any higher speed would encounter wind resistance that will require more fuel to keep the car running at that speed.
*
i thought maybe around 70-80km/h would be better?

are u sure its not?

of course driving styles play an important role too.
but comparitively, driving at 70km/h vs 90km/h, it wont save fuel to drive slower?
peris
post Aug 1 2008, 10:34 AM

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QUOTE(sleepwalker @ Aug 1 2008, 09:42 AM)

Added on August 1, 2008, 9:44 am
Wrong. Rusty nail is correct. Your RPM per KM/H on your dashboard will still remain the same. The only thing that will change is your actual speed and not speedo speed, meaning if the police shoots the laser camera at you, then you will be driving at 120km/h but speed still show 110km/h. That is how bigger wheel OD will affect you. It will not affect your speedo but affects your actual speed.
*
is't..lol..my satria using 16' rims...so how i wanna know how fast i drive then?
i'm a good citizen..dun wan to be caught by police tongue.gif
kayz1e
post Aug 1 2008, 10:35 AM

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1.3 SAGA LMST

3k rpm @ 100km/h
3/5k rpm @ 120km/h
4k rpm @ 140km/h

IF IM NOT MISTAKEN LA
b00n
post Aug 1 2008, 10:36 AM

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The common fuel efficiency gauge is on 90km/h at RPM 2k. That's the myth.
peris
post Aug 1 2008, 10:42 AM

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QUOTE(b00n @ Aug 1 2008, 10:36 AM)
The common fuel efficiency gauge is on 90km/h at RPM 2k. That's the myth.
*
proton savvy that used to get in Malaysian Book Of record For MOST FC car (if not mistaken) been driven at 90KM/H
nimrod2
post Aug 1 2008, 10:45 AM

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QUOTE(b00n @ Aug 1 2008, 10:36 AM)
The common fuel efficiency gauge is on 90km/h at RPM 2k. That's the myth.
*
i think its more like urban legend.

haha i think for high capacity engines, its possible to have lower rpms.

for a 3.0L accord or bmw, i think the revs is around 2.5k or lower.
chitchat
post Aug 1 2008, 10:54 AM

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sleepwalker: thanks for the info
Traveler
post Aug 1 2008, 11:01 AM

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QUOTE(nimrod2 @ Aug 1 2008, 10:45 AM)
haha i think for high capacity engines, its possible to have lower rpms.

for a 3.0L accord or bmw, i think the revs is around 2.5k or lower.
*
That's true. A 2.5L 325i revs around 2k rpm at 110km/h IIRC.
RCrex
post Aug 1 2008, 11:06 AM

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from my experience
i used to drive mazda 929 wif 2.0v6 engine
auto
it cruise at 110km/h wif 2k rpm if not mistaken

as now driving S/neo
also auto but 1.6
in the speed of 110km/h
i think the rpm is above 3k since 80km/h adi need 2.5k rpm adi -.-

should b looking for the power of the engine instead of juz rpm i guess tongue.gif
popnyat
post Aug 1 2008, 11:09 AM

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user posted image

got bike only... hehe..

110km/h 6.3k rpm... thumbup.gif thumbup.gif

This post has been edited by popnyat: Aug 1 2008, 11:12 AM
nimrod2
post Aug 1 2008, 11:19 AM

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QUOTE(Traveler @ Aug 1 2008, 11:01 AM)
That's true. A 2.5L 325i revs around 2k rpm at 110km/h IIRC.
*
haha i'm so clever blush.gif blush.gif

QUOTE(popnyat @ Aug 1 2008, 11:09 AM)
got bike only... hehe..
110km/h 6.3k rpm...  thumbup.gif  thumbup.gif
*
not bad dude. but 110km/h on a bike?
dangerous.
Rusty Nail
post Aug 1 2008, 11:20 AM

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QUOTE(peris @ Aug 1 2008, 10:34 AM)
is't..lol..my satria using 16' rims...so how i wanna know how fast i drive then?
i'm a good citizen..dun wan to be caught by police  tongue.gif
*
i think rims is not an issue (unless you take weight into account) but the tire radius.
http://swatt.j.porter.name/tech-center/tool/tire-calculator
compare your stock tire with the new ones that you are using. then you can see the difference in size.
LeVis_Jeans
post Aug 1 2008, 11:20 AM

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QUOTE(nimrod2 @ Aug 1 2008, 10:45 AM)
i think its more like urban legend.

haha i think for high capacity engines, its possible to have lower rpms.

for a 3.0L accord or bmw, i think the revs is around 2.5k or lower.
*
Depends the 3.0L accord or BMW how big Gear Box.. Gear radius/diameter is main course the RPM.
If 3.0L engine go with gen2 gear box.. it will same will go thru 3k rpm, 110kmh.

This post has been edited by LeVis_Jeans: Aug 1 2008, 11:25 AM
radioactive
post Aug 1 2008, 11:21 AM

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myvi 1.0 110km/h at 3.6k rpm
matches engine peak torque at 3.6k
nimrod2
post Aug 1 2008, 11:26 AM

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QUOTE(LeVis_Jeans @ Aug 1 2008, 11:20 AM)
Depends the 3.0L accord or BMW how big Gear Box.. Gear radius is main course the RPM.
If 3.0L engine go with gen2 gear box.. it will same will go thru 3k rpm, 110kmh.
*
haha why u wanna compare this sorta things dude?

normal comparison only mah.
LeVis_Jeans
post Aug 1 2008, 11:33 AM

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QUOTE(nimrod2 @ Aug 1 2008, 11:26 AM)
haha why u wanna compare this sorta things dude?

normal comparison only mah.
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Dun let other ppl confuse only ma, hehe tongue.gif
victor_hoh
post Aug 1 2008, 11:58 AM

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Kenari Auto

110km/h at 3.6K RPM.

BTW, for auto user without lockup clutch, the RPM can vary. For example, when u release the trottle, ur RPM will drop faster compared to your speed.
nimrod2
post Aug 1 2008, 12:07 PM

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QUOTE(LeVis_Jeans @ Aug 1 2008, 11:33 AM)
Dun let other ppl confuse only ma, hehe tongue.gif
*
the lolz !

QUOTE(victor_hoh @ Aug 1 2008, 11:58 AM)
Kenari Auto
110km/h at 3.6K RPM.
BTW, for auto user without lockup clutch, the RPM can vary. For example, when u release the trottle, ur RPM will drop faster compared to your speed.
*
i think automatic transmission will generally have higher revs for the same speed.

right?
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post Aug 1 2008, 12:11 PM

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QUOTE(nimrod2 @ Aug 1 2008, 12:07 PM)
the lolz !
i think automatic transmission will generally have higher revs for the same speed.

right?
*

Yes because of the gear ratio.
It's the same whereby you drag your car at 3rd gear to 110km/h and 5th gear to 110km/h would give you different RPM read.

victor_hoh
post Aug 1 2008, 12:13 PM

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QUOTE(nimrod2 @ Aug 1 2008, 12:07 PM)
the lolz !
i think automatic transmission will generally have higher revs for the same speed.

right?
*
I am not comparing auto transmission with manual transmission. What I am saying is, if your auto transmission does not have lock up clutch, your RPM to KM/h ratio will not be fixed 100% of the time, since your gearbox is always slipping against the engine, through the torque convertor.
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post Aug 1 2008, 12:24 PM

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wow, from the readings, smaller cc auto cars tends to have higher rpm readings @ 110km/h.
i feel like the fc will increase when the rpm > 3000
anyone knows for hyundai getz 1.4?
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post Aug 1 2008, 12:29 PM

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QUOTE(joanalooidog @ Aug 1 2008, 12:24 PM)
wow, from the readings, smaller cc auto cars tends to have higher rpm readings @ 110km/h.
i feel like the fc will increase when the rpm > 3000
anyone knows for hyundai getz 1.4?
*
it make sense, isn't it? smaller engine needs to work harder to achieve high speed.
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post Aug 1 2008, 12:30 PM

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QUOTE(sleepwalker @ Aug 1 2008, 09:15 AM)
The lower the RPM, the more efficient the engine and hence better fuel consumption. However, it cannot be used as a comparison as the engine itself would be the main factor in the calculation of fuel consumption and not the gear ratio. Furthermore, there are no aftermarket parts to change gear ratios (too much work to be cost effective) and hence it is seldom a factor in the calculation of FC.

The gear ratio is only effective in calculation if you are comparing 2 cars of the same make, same engine but different gear ratios.
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there are plenty of aftermarket 1-5 gear ratio and final drive. They even can custom made for you if your pocket is deep enough.

But you are right, the RPM at certain speed is all affected by the gear ratio and final drive.
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post Aug 1 2008, 12:44 PM

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QUOTE(Cahill @ Aug 1 2008, 12:30 PM)
there are plenty of aftermarket 1-5 gear ratio and final drive. They even can custom made for you if your pocket is deep enough.

But you are right, the RPM at certain speed is all affected by the gear ratio and final drive.
*
No there isn't and custom made ones are not considered as plenty in the market. Plenty in the market means you can walk into BROTHERS and say.. "I'd have that ratio mixed with this one and put them all into the gearbox while I go next door mamak for a teh tarik". That I would consider as plenty in the market.

Gear cogs are not something you find on the shelf in every shop. It is good info to have about RPM per KM/H but that is all.. just nice to have. It is not something we can change easily or even make use of in our daily course of driving and modding. It takes some serious 'moolah' to get it done and not worth it if it is just for FC.

This post has been edited by sleepwalker: Aug 1 2008, 12:45 PM
peris
post Aug 1 2008, 01:04 PM

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QUOTE(Rusty Nail @ Aug 1 2008, 11:20 AM)
i think rims is not an issue (unless you take weight into account) but the tire radius.
http://swatt.j.porter.name/tech-center/tool/tire-calculator
compare your stock tire with the new ones that you are using. then you can see the difference in size.
*
Thanks..will try.. thumbup.gif
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post Aug 1 2008, 02:41 PM

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Satria Neo 1.6(A) 110km/h = 3000rpm highest gear(4th)

so if the readings of the speedo are not affected by rim size, means say if 13" rims, 110km/h real speed,110km/h speedo speed, 3000rpm.....
n then use 16" rims 130km/h real speed, 110km/h speedo speed, 3000rpm..
means use bigger rims can make your car quieter??
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QUOTE(phas3r @ Aug 1 2008, 02:41 PM)
Satria Neo 1.6(A) 110km/h = 3000rpm highest gear(4th)

so if the readings of the speedo are not affected by rim size, means say if 13" rims, 110km/h real speed,110km/h speedo speed, 3000rpm.....
n then use 16" rims 130km/h real speed, 110km/h speedo speed, 3000rpm..
means use bigger rims can make your car quieter??
*

Quieter?....... rclxub.gif

Ultima
post Aug 1 2008, 02:56 PM

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so lets say im using campro now n using this INVECSII (i think) gearbox from mitsu...

izzit possible to change to other gearbox? lets say from mitsu also, izzit possible?

btw, i still dun get it, in campro, got engine braking concept rite, the one which will lower ur gear when u going downhill..

will it consume petrol more? lets say i drive at 90km/h with around 2.6k rpm, n suddenly the engine braking activated when going downhill without pressing the pedal..

so should i press the pedal more lets say 110km/h at 3k rpm so the engine braking will not activated or juz let the engine braking lower the gear and make it whooping at around 4k rpm at 90km/h without pressing the pedal sweat.gif

which one consume less fuel? sweat.gif

sori if im talking crap here sweat.gif im no good in engrish sweat.gif
honkit
post Aug 1 2008, 03:07 PM

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2700rpm @ 110kph on my suzuki swift.
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post Aug 1 2008, 03:15 PM

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My Myvi RPM is 2.9k at 110km/h...Is it normal? Or should it be lower..My dadz 4wd only 2.2kRPM at 120km/h but bigger CC lah.
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post Aug 1 2008, 03:17 PM

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QUOTE(Ultima @ Aug 1 2008, 02:56 PM)
so lets say im using campro now n using this INVECSII (i think) gearbox from mitsu...

izzit possible to change to other gearbox? lets say from mitsu also, izzit possible?

btw, i still dun get it, in campro, got engine braking concept rite, the one which will lower ur gear when u going downhill..

will it consume petrol more? lets say i drive at 90km/h with around 2.6k rpm, n suddenly the engine braking activated when going downhill without pressing the pedal..

so should i press the pedal more lets say 110km/h at 3k rpm so the engine braking will not activated or juz let the engine braking lower the gear and make it whooping at around 4k rpm at 90km/h without pressing the pedal sweat.gif

which one consume less fuel? sweat.gif

sori if im talking crap here sweat.gif im no good in engrish sweat.gif
*
Engine braking does not use fuel. At that moment, it is the wheels driving the engine and the throttle body is shut. There is no need for fuel to go into the engine until the idling control valve takes over when the RPM drops too low. So there is no waste of fuel.

Those people driving autos would appreciate the engine braking feature in the campro when they come down from Genting.


Added on August 1, 2008, 3:19 pm
QUOTE(phas3r @ Aug 1 2008, 02:41 PM)
Satria Neo 1.6(A) 110km/h = 3000rpm highest gear(4th)

so if the readings of the speedo are not affected by rim size, means say if 13" rims, 110km/h real speed,110km/h speedo speed, 3000rpm.....
n then use 16" rims 130km/h real speed, 110km/h speedo speed, 3000rpm..
means use bigger rims can make your car quieter??
*
Most of the time the differences is maxed out at about 5% and not as much as you have mentioned. We were over exaggerating our examples before this to emphasis the point of the discussion.


Added on August 1, 2008, 3:22 pm
QUOTE(b00n @ Aug 1 2008, 02:44 PM)
Quieter?....... rclxub.gif
*
He thinks that he could oversize his tyre to the point where he gains a 20% increment in speed difference so that he could actually travel at 3k rpm @ 110km/h (meter speed) but moving at 130km/h on his actual speed.

This post has been edited by sleepwalker: Aug 1 2008, 03:22 PM
Ultima
post Aug 1 2008, 03:26 PM

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err anyone can answer me bout the gearbox? can we change to other gearbox?
LeVis_Jeans
post Aug 1 2008, 03:26 PM

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QUOTE(Ultima @ Aug 1 2008, 02:56 PM)
so lets say im using campro now n using this INVECSII (i think) gearbox from mitsu...

izzit possible to change to other gearbox? lets say from mitsu also, izzit possible?

btw, i still dun get it, in campro, got engine braking concept rite, the one which will lower ur gear when u going downhill..

will it consume petrol more? lets say i drive at 90km/h with around 2.6k rpm, n suddenly the engine braking activated when going downhill without pressing the pedal..

so should i press the pedal more lets say 110km/h at 3k rpm so the engine braking will not activated or juz let the engine braking lower the gear and make it whooping at around 4k rpm at 90km/h without pressing the pedal sweat.gif

which one consume less fuel? sweat.gif

sori if im talking crap here sweat.gif im no good in engrish sweat.gif
*
No wasting petrol.. your fuel consume maintain at RPM 1100 rate smile.gif
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post Aug 1 2008, 03:27 PM

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Vios/Belta 2.5krpm @ 110km/h. (2krpm @ 80km/h)
LeVis_Jeans
post Aug 1 2008, 03:27 PM

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QUOTE(sleepwalker @ Aug 1 2008, 03:17 PM)
Engine braking does not use fuel. At that moment, it is the wheels driving the engine and the throttle body is shut. There is no need for fuel to go into the engine until the idling control valve takes over when the RPM drops too low. So there is no waste of fuel.

Those people driving autos would appreciate the engine braking feature in the campro when they come down from Genting.

*
No use fuel no into engine will mati engine laa..haha


Added on August 1, 2008, 3:29 pm
QUOTE(Ultima @ Aug 1 2008, 03:26 PM)
err anyone can answer me bout the gearbox? can we change to other gearbox?
*
Yes, you can change suitable gearbox.
But i dunno which gearbox can install in only.

This post has been edited by LeVis_Jeans: Aug 1 2008, 03:29 PM
dstl1128
post Aug 1 2008, 03:31 PM

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QUOTE(LeVis_Jeans @ Aug 1 2008, 03:27 PM)
No use fuel no into engine will mati engine laa..haha
*
Car draging the engine, the engine is moving, how to mati - the engine is driven by external force.


Added on August 1, 2008, 3:34 pm
QUOTE(Ultima @ Aug 1 2008, 03:26 PM)
err anyone can answer me bout the gearbox? can we change to other gearbox?
*
It might not be a perfect fit and 'long lasting' might be an issue. eg. Fitting a K50 trans (KE70 manual) on a 4AGE (AE86) would kill the K50 faster. Hence it is better to get T50 (AE86 trans) together with 4AGE for mods.

This post has been edited by dstl1128: Aug 1 2008, 03:35 PM
Ultima
post Aug 1 2008, 03:34 PM

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so we can install gearbox diff from ours if compatible? no nid to change other things besides our gearbox only? so wat gearbox is suitable for this camtakpro engine besides wat we hav now la? sweat.gif
dstl1128
post Aug 1 2008, 03:38 PM

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Different gearbox sure, either there is a commercially available compatible (mounting) ones, or you found a gear machinist that could machines out the cogs/gears with the ratio you like. If you have the money, even mounting can be changed.

Hmm... Possibly those from Mitsubishi or Renault ones might be possible for the Campro.


This post has been edited by dstl1128: Aug 1 2008, 03:40 PM
sleepwalker
post Aug 1 2008, 03:39 PM

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QUOTE(LeVis_Jeans @ Aug 1 2008, 03:27 PM)
No use fuel no into engine will mati engine laa..haha


Added on August 1, 2008, 3:29 pm
Yes, you can change suitable gearbox.
But i dunno which gearbox can install in only.
*
This shows how little you know about engines. Fuel is need to keep the engine alive when it is idle. You don't need fuel to keep the engine alive when it is driven by an external force.

On our car's ignition switch, there are 3 positions. First is OFF. Name me the other 2. If you don't know what they are, then there is no point continuing this discussion as you would not understand. Once you find out what they are, you would understand why I said that you don't need fuel to keep the engine alive.

Another hint.. Why can the car be pushed start when the battery is dead? There is no fuel in the engine and there is no battery to crank the starter but PRESTO... magically the car can start when it is pushed. If you get my hint, you would understand.


Added on August 1, 2008, 3:44 pm
QUOTE(Ultima @ Aug 1 2008, 03:34 PM)
so we can install gearbox diff from ours if compatible? no nid to change other things besides our gearbox only? so wat gearbox is suitable for this camtakpro engine besides wat we hav now la? sweat.gif
*
The question now is what gearbox is the campro based on? I can't remember. I've lost track of Proton Campro developments as most parts are not related to Mitsu anymore.

It's always possible to change if it fits but why do you want to? Why change when there is nothing wrong with the gearbox?

This post has been edited by sleepwalker: Aug 1 2008, 03:44 PM
Ultima
post Aug 1 2008, 03:45 PM

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so it is possible rite? juz the long lasting n compatible issue only rite?

thnx for the explanation biggrin.gif
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post Aug 1 2008, 03:48 PM

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QUOTE(sleepwalker @ Aug 1 2008, 03:39 PM)
This shows how little you know about engines. Fuel is need to keep the engine alive when it is idle. You don't need fuel to keep the engine alive when it is driven by an external force.

On our car's ignition switch, there are 3 positions. First is OFF. Name me the other 2. If you don't know what they are, then there is no point continuing this discussion as you would not understand. Once you find out what they are, you would understand why I said that you don't need fuel to keep the engine alive.

Another hint.. Why can the car be pushed start when the battery is dead? There is no fuel in the engine and there is no battery to crank the starter but PRESTO... magically the car can start when it is pushed. If you get my hint, you would understand.
*
Aiya i know that..
It use external force to turn on your engine.. but u forget after turn on the engine, the engine also need keep using fuel to keep alive.
You say down hill.. yes, engine still alive. But it will die when at flat road when u are no fuel !

Your example is use for battery dead. But when it push and get starter the car. you also need fuel..

No fuel go engine = engine dead.
Pls.... no engine will running will alive without fuel unless u force him by your self. wink.gif
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post Aug 1 2008, 03:52 PM

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hahaha... engine still need fuel le.. its in idle even dragging by external force.. its preset by the fuel injector "engine management chip" and by manual twisting fuel screw beside my beloved bike carburetor..

no fuel engine mmg mati la.. hahaha.. internal combustion engine need momentum to stay continuous explosive..

penat engineer buat flywheel tu..

This post has been edited by popnyat: Aug 1 2008, 03:54 PM
LeVis_Jeans
post Aug 1 2008, 03:54 PM

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QUOTE(popnyat @ Aug 1 2008, 03:52 PM)
hahaha... engine still need fuel le.. its in idle even dragging by external force..  its preset by the fuel injector "engine management chip" and by manual twisting fuel screw beside my beloved bike..

no fuel engine mmg mati la.. hahaha.. internal combustion engine need momentum to stay continuous explosive..

penat engineer buat flywheel tu..
*
Ya la.. agree with u.
Maybe my english not good. so he confuse already. doh.gif
Ultima
post Aug 1 2008, 03:59 PM

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err if lets say u guys know campro auto gear is sluggish rite? u can feel the diff with other cars like p2 or other car manufacturer.. it is not very smooth, when from idle to 'd', the car will jerk a bit, not very smooth... the car is new...

so tht thing is related to engine or gearbox?

err ok so maybe i want wrong info here, sori sifoo sleepwalker notworthy.gif
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post Aug 1 2008, 04:00 PM

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hehe.. complicated dy.. heard of rotary? triangular shape horizontal spinning piston in rx8..
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post Aug 1 2008, 04:03 PM

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post Aug 1 2008, 04:05 PM

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QUOTE(LeVis_Jeans @ Aug 1 2008, 03:48 PM)
Aiya i know that..
It use external force to turn on your engine.. but u forget after turn on the engine, the engine also need keep using fuel to keep alive.
You say down hill.. yes, engine still alive. But it will die when at flat road when u are no fuel !

Your example is use for battery dead. But when it push and get starter the car. you also need fuel..

No fuel go engine = engine dead.
Pls.... no engine will running will alive without fuel unless u force him by your self.  wink.gif
*
You did not even read my reply properly. I said that there is no fuel used as you are going down hill until the idling controller takes over when the rpm is too low.

Once you hit flat road, the idling controller takes over and pumps fuel to keep the engine alive. While you are going down hill, fuel is not needed to keep the engine turning because it is being turned by the gearbox.
popnyat
post Aug 1 2008, 04:07 PM

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QUOTE(Ultima @ Aug 1 2008, 03:59 PM)
err if lets say u guys know campro auto gear is sluggish rite? u can feel the diff with other cars like p2 or other car manufacturer.. it is not very smooth, when from idle to 'd', the car will jerk a bit, not very smooth... the car is new...

so tht thing is related to engine or gearbox?

err ok so maybe i want wrong info here, sori sifoo sleepwalker notworthy.gif
*
Abit sluggish.. because of low torque in low revving campro.. even appear in lotus website.. they remedy this by introducing variable valve in CPS engine.. valve timing and opening duration by computer calculation..

one good thing about persona auto trans its 4th gear revving lower than 5th gear manual trans..

highway driving was superb.. but takdak pickup.. because high ratio different between each gear..

ultima.. i got persona too.. H-line.. thumbup.gif
Ultima
post Aug 1 2008, 04:11 PM

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who says i got persona whistling.gif tongue.gif

oo ok, so its the engine tht makes the gear sluggish rite? okok i got it, thnx u guys biggrin.gif
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post Aug 1 2008, 04:15 PM

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QUOTE(popnyat @ Aug 1 2008, 03:52 PM)
hahaha... engine still need fuel le.. its in idle even dragging by external force..  its preset by the fuel injector "engine management chip" and by manual twisting fuel screw beside my beloved bike carburetor..

no fuel engine mmg mati la.. hahaha.. internal combustion engine need momentum to stay continuous explosive..

penat engineer buat flywheel tu..
*
Maybe I didn't make myself clear. Only engines with ECU will cut fuel to the engine when you are going down hill. Engine will not mati because your ignition is still in ON position. The spark plugs are still firing but there is no need for fuel as the engine has not mati yet because it is being driven by your gearbox.

If you are driving a car with ECU, here is a simple test you can do to. Rev your car on idle until 5000rpm. Let go of the throttle. As the RPM falls, there is actually no fuel going into the engine as the throttle body is closed and the rpm is driven by the spinning flywheel. Just as the RPM is about to drop to ZERO, the car engine suddenly shakes and RPM goes back up to 800-1000rpm (idling rpm). This is where the idling control valve takes over and pumps fuel into your engine to keep it alive.

IF you ever rev to 5000rpm and then turn off the engine, the RPM will not suddenly drop to zero, it will just fall like normal and if you turn on the engine (turn to postion ON (position 2), not ignition position (position 3)), the engine will come back to live again (if you can do it before the rpm drop to zero). You most probably won't understand what I'm talking about here. Some other would.. they might want to explain it better. What I'm trying to say is that your engine will not mati immediately when you turn off the fuel, as long as some else is turning the engine.
popnyat
post Aug 1 2008, 04:17 PM

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QUOTE(Ultima @ Aug 1 2008, 04:11 PM)
who says i got persona whistling.gif tongue.gif

oo ok, so its the engine tht makes the gear sluggish rite? okok i got it, thnx u guys biggrin.gif
*
haha..dont have it but asking around how to change gear box? hmm.gif hmm.gif


Ultima
post Aug 1 2008, 04:21 PM

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so if we off the engine at 5k rpm, it will make pop sound rite? like the mat rempit always do, rev hi then off engine, on it again, got pop sound tongue.gif

juz need a knowledge, no nid a car rite? whistling.gif tongue.gif
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post Aug 1 2008, 04:23 PM

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QUOTE(sleepwalker @ Aug 1 2008, 03:17 PM)
Engine braking does not use fuel. At that moment, it is the wheels driving the engine and the throttle body is shut. There is no need for fuel to go into the engine until the idling control valve takes over when the RPM drops too low. So there is no waste of fuel.

Those people driving autos would appreciate the engine braking feature in the campro when they come down from Genting.

*
U say no use fuel. sweat.gif
But it still need use fuel to make it alive. But it auto control from valve only.

I told the guy is "fuel consume still maintain around RPM 1100 rate"


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post Aug 1 2008, 04:25 PM

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QUOTE(popnyat @ Aug 1 2008, 04:17 PM)
haha..dont have it but asking around how to change gear box?  hmm.gif  hmm.gif
*
Can try this
www.safetyperformancestyle.com

They got campro transmission final drive. But got server problem today...
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post Aug 1 2008, 04:25 PM

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QUOTE(Ultima @ Aug 1 2008, 04:21 PM)
so if we off the engine at 5k rpm, it will make pop sound rite? like the mat rempit always do, rev hi then off engine, on it again, got pop sound tongue.gif

juz need a knowledge, no nid a car rite? whistling.gif tongue.gif
*
Hahah.. the infamous carburator POP. This works only in carb engines as they don't have fuel injectors. Fuel is sucked into the engine by the vacuum, so they rev the engine and then turn off the ignition (no more spark from the sparkplug). Since the engine is still moving, it draws fuel into the combustion chamber from the carb and out into the enhaust. The moment you turn the igniton back on, the spark plugs fires and all the unburnt fuel explodes, giving you that POP sound macam gunshot.


Added on August 1, 2008, 4:27 pm
QUOTE(LeVis_Jeans @ Aug 1 2008, 04:23 PM)
U say no use fuel.  sweat.gif
But it still need use fuel to make it alive. But it auto control from valve only.

I told the guy is "fuel consume still maintain around RPM 1100 rate"
*
Correct. So when people ask if engine braking at high rpm is wasting fuel or not, the answer is NO. Remember, the original question was about whether then engine use fuel while doing engine braking. Once you hit idling rpm, it is no longer engine braking and fuel will be required to keep the engine alive.

This post has been edited by sleepwalker: Aug 1 2008, 04:27 PM
Ultima
post Aug 1 2008, 04:30 PM

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so the pop sound only on carb? if efi no sound? dmn thts boring tongue.gif

but izzit harmful? damaged ur engine?
inoitu
post Aug 1 2008, 04:32 PM

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No report on City at 120kph? Is it true that IDSI runs 120 kph at below 2k rpm? I think someone local wrote that online somewhere.
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QUOTE(Ultima @ Aug 1 2008, 04:30 PM)
so the pop sound only on carb? if efi no sound? dmn thts boring tongue.gif

but izzit harmful? damaged ur engine?
*
Only carb. EFi ECU will not pump fuel once you turn off the ignition. No fuel will collect in the combustion chamber and exhaust. With such a big uncontrolled explosion in your engine and exhaust, what do you think? Harmful or not? I believe you can answer that question yourself.
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post Aug 1 2008, 04:38 PM

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QUOTE(invisiblelim @ Aug 1 2008, 10:11 AM)
i wanna ask.. i driving Kancil 850 Auto, RPM is maintain 3k when i was on 80km/h, is count normal or got problem? full tank RM60, can only go for 200+ km, count as normal??
*
Isnt the FC is on the very high side? 100% stop-go-stop-go driving? Or is it possible the Auto is not running at top gear, somethiong wrong with the torque converter? No comments from other Kancil 880 Auto users?
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post Aug 1 2008, 04:46 PM

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em maybe it is harmful i think hmm.gif tongue.gif

but i do it on my bike only, if damaged juz small cost only whistling.gif tongue.gif

so if lets say put the turbo in ur car, the rpm still the same like normal?

i do read in certain cars, turbo can reduce ur fc, does it mean running the car in lower rpm?
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post Aug 1 2008, 04:55 PM

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QUOTE(inoitu @ Aug 1 2008, 04:32 PM)
No report on City at 120kph?  Is it true that IDSI runs 120 kph at below 2k rpm? I think someone local wrote that online somewhere.
*
should be around 2800 rpm
if below 2k rpm, it's either the speedometer spoilt or he's going down a steep hill (but i doubt the city has that high a gearing)
-storm-
post Aug 1 2008, 04:59 PM

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my saga blm auto 110kmph at 3100k rpm
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post Aug 1 2008, 05:01 PM

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QUOTE(popnyat @ Aug 1 2008, 04:07 PM)
one good thing about persona auto trans its 4th gear revving lower than 5th gear manual trans..
*
Most 4spd auto (with OD) version of the car vs 5spd manual version, the 4th gear auto rev is usually lower than 5th gear manual rev. It is simply just not a special thing about Persona - it's just a conventional situation. icon_rolleyes.gif


QUOTE(Ultima @ Aug 1 2008, 03:59 PM)
err if lets say u guys know campro auto gear is sluggish rite? u can feel the diff with other cars like p2 or other car manufacturer.. it is not very smooth, when from idle to 'd', the car will jerk a bit, not very smooth... the car is new...
so tht thing is related to engine or gearbox?
*
If you didn't brake while N->D, the car will jerk a bit, or even some soft knocking sound can be heard. This happen on other cars as well. I suppose there is some electronic controling being done on the auto box when detected you've pressed on the brake.
eg. My guess are:
- Without the brake, the autobox will engage the gear with the TC (torque converter) 'tightened' or locked up.
- With the brake, the autobox will engage the gear with the TC in a more 'free play' mode.


Added on August 1, 2008, 5:02 pm
QUOTE(Ultima @ Aug 1 2008, 04:46 PM)
em maybe it is harmful i think hmm.gif tongue.gif

but i do it on my bike only, if damaged juz small cost only whistling.gif tongue.gif

so if lets say put the turbo in ur car, the rpm still the same like normal?

i do read in certain cars, turbo can reduce ur fc, does it mean running the car in lower rpm?
*
If everything matched and tuned properly.

This post has been edited by dstl1128: Aug 1 2008, 05:04 PM
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post Aug 1 2008, 05:28 PM

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Wira 1.6A XLI

110KM/H ~ 2.6k rpm
inoitu
post Aug 1 2008, 05:36 PM

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QUOTE(Ultima @ Aug 1 2008, 04:46 PM)
em maybe it is harmful i think hmm.gif tongue.gif

so if lets say put the turbo in ur car, the rpm still the same like normal?

i do read in certain cars, turbo can reduce ur fc, does it mean running the car in lower rpm?
*
RPM? Meaning at the same speed the rpm must be the same since the gear ratio is the same. With turbocharging you should achive higher rpms than before without.
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post Aug 1 2008, 05:53 PM

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QUOTE(inoitu @ Aug 1 2008, 05:36 PM)
RPM? Meaning at the same speed the rpm must be the same since the gear ratio is the same.  With turbocharging you should achive higher rpms than before without.
*

With turbo charging or forced induction the only difference is it will get you there much earlier. Nothing to do with RPMs.

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QUOTE(b00n @ Aug 1 2008, 05:53 PM)
With turbo charging or forced induction the only difference is it will get you there much earlier. Nothing to do with RPMs.
*
Ah.. yes.. "It's not how fast you can go but how quickly you can go fast" - quoted by Sleepwalker 1st August 2008 6:11pm... hahahahhaa..
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post Aug 1 2008, 06:15 PM

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QUOTE(sleepwalker @ Aug 1 2008, 06:11 PM)
Ah.. yes.. "It's not how fast you can go but how quickly you can go fast" - quoted by Sleepwalker 1st August 2008 6:11pm... hahahahhaa..
*
doh.gif
tonight how?
laugh.gif

my car is 110km/h at 3100 rpm sad.gif
arsenal
post Aug 1 2008, 06:40 PM

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2.5k rpm
imperialrealcs
post Aug 1 2008, 06:40 PM

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to all the pro, im a little dumb to comprehend all the super word here lol laugh.gif
so would like to ask..
if ori 13" rim can cover 1m per revolution
so a 15" can cover 1.15m per revolution correct?
that means in actual speed, taking 13" as relative figure
100km/h in 13" = 115km/h in 15" but the meter in 15" still showing 100km/h?
please dont bother about the actual figure, juz a sample
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post Aug 1 2008, 06:41 PM

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my iswara clocked 110kmh at 3.5k rpm sad.gif
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post Aug 1 2008, 06:46 PM

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QUOTE(alkt @ Aug 1 2008, 06:15 PM)
doh.gif
tonight how?
laugh.gif

my car is 110km/h at 3100 rpm sad.gif
*
Tonight not free leh....

My car is 110km/h at 2700 rpm. tongue.gif


Added on August 1, 2008, 6:51 pm
QUOTE(imperialrealcs @ Aug 1 2008, 06:40 PM)
to all the pro, im a little dumb to comprehend all the super word here lol laugh.gif
so would like to ask..
if ori 13" rim can cover 1m per revolution
so a 15" can cover 1.15m per revolution correct?
that means in actual speed, taking 13" as relative figure
100km/h in 13" = 115km/h in 15" but the meter in 15" still showing 100km/h?
please dont bother about the actual figure, juz a sample
*
Again, you are thinking about tyre. Speedometer takes the reading from gearbox, not the tyre. To the speedometer, your tyre only turned 1 revolution. It does not car how far you traveled because the calculation has been set by the manufacture to take the revolution of the tyre and calculate based on a preset of formula done by the manufacturer.

That is why when you change to a tyre that does not match your OEM overall diameter (OD), then your speedometer will no longer as accurate. The speedo will still show you the same speed (number of tyre revolutions still same) but you are traveling faster (if you have bigger tyres).

Understand now?

Edited: Going to use your formula..

if ori 13" rim can cover 1m per revolution
so a 15" can cover 1.15m per revolution correct?
-Correct but it is still 1 revolution of the tyre.

that means in actual speed, taking 13" as relative figure
100km/h in 13" = 115km/h in 15" but the meter in 15" still showing 100km/h?
please dont bother about the actual figure, juz a sample
-Correct because if it took 100 revolutions to reach 100km/h in 13 inch, it also takes 100 revolutions to reach 115km/h in 15".
-Your speedo is based on the 100 revolutions and not the distance.

-Understand now? (Ignore figures.. ahahha)

This post has been edited by sleepwalker: Aug 1 2008, 06:56 PM
wb4j
post Aug 1 2008, 07:00 PM

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honda civic eg 1.6L Auto - 3100rpm @ 110km/h
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post Aug 1 2008, 07:01 PM

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QUOTE(imperialrealcs @ Aug 1 2008, 06:40 PM)
to all the pro, im a little dumb to comprehend all the super word here lol laugh.gif
so would like to ask..
if ori 13" rim can cover 1m per revolution
so a 15" can cover 1.15m per revolution correct?
that means in actual speed, taking 13" as relative figure
100km/h in 13" = 115km/h in 15" but the meter in 15" still showing 100km/h?
please dont bother about the actual figure, juz a sample
*

Too keep it simple....yes your assumption is correct.
It is advisable for those that changes their rim size to re-calibrate their speedo. But obviously who wants to go through that hassle.
Also, lack of equipment to do that too.

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post Aug 1 2008, 07:26 PM

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QUOTE(b00n @ Aug 1 2008, 07:01 PM)
Too keep it simple....yes your assumption is correct.
It is advisable for those that changes their rim size to re-calibrate their speedo. But obviously who wants to go through that hassle.
Also, lack of equipment to do that too.
*
so where can i 're-calibrate' my speedo?
i changed to 4G92 MIVEC halfcut from Mirage Cyborg (or is it ASTI?)
anybody know what is the ori rim size?
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post Aug 1 2008, 07:35 PM

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QUOTE(imperialrealcs @ Aug 1 2008, 07:26 PM)
so where can i 're-calibrate' my speedo?
i changed to 4G92 MIVEC halfcut from Mirage Cyborg (or is it ASTI?)
anybody know what is the ori rim size?
*
The difference would be so small that it would not matter. Furthermore, most Proton cars are based on the pre 96 Mitsu's and most likely use the similar tyre sizes. Even if there is a difference, it would be in the region of 1 to 2 percent. Not worth the effort.
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post Aug 1 2008, 07:44 PM

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QUOTE(invisiblelim @ Aug 1 2008, 10:11 AM)
i wanna ask.. i driving Kancil 850 Auto, RPM is maintain 3k when i was on 80km/h, is count normal or got problem? full tank RM60, can only go for 200+ km, count as normal??
*
try adjust the caburator setting such as AFR... recently after adjusted my full tank RM50 can go 350km++ rclxms.gif
but my kancil is 660cc manual tranny installed with 14" rim, so at 110km/h is 4.2krpm
since bought new car, my kancil never cruising highway anymore lo
persona 110km/h @ 3.2krpm shakehead.gif

This post has been edited by ! Love Money: Aug 1 2008, 07:47 PM
xxboxx
post Aug 1 2008, 08:26 PM

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QUOTE(joanalooidog @ Aug 1 2008, 09:12 AM)
Hi all. Is it true that the lower the rpm reading, the better of the car's fc?

Currently I'm driving a b14 sentra '97(A).
RPM = 2700 @ 110km/h
The FC is around 11-13km /l

I'm interested to know others car like toyota seg 1.6, myvi 1.3, toyota vios, city idsi, hyundai getz 1.4. Both auto and manual............
others model are welcome also, thanks.
*

your main interest is in the fuel consumption rite?
the lower the RPM, the better the fuel consumption. only true when you're cruising and maintaining the same pressure on the accelerator.

but lets say (for Auto) you're driving at the lowest RPM with the lightest pressure on the accelerator, the gearbox might not change to the final gear, thus you're wasting petrol because slower when compare to final gear speed at the same RPM.

and for Manual, because of the assumption that lower RPM gives better FC, you might change gear too early and thus need to have higher pressure on the accelerator to build more momentum, which lead to wasting petrol.


basically to get lowest FC, is to get the optimum pressure on the accelerator vs the RPM speed.
but this is my theory lar. tongue.gif
correct me if i'm wrong.
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QUOTE(xxboxx @ Aug 1 2008, 08:26 PM)
your main interest is in the fuel consumption rite?
the lower the RPM, the better the fuel consumption. only true when you're cruising and maintaining the same pressure on the accelerator.

but lets say (for Auto) you're driving at the lowest RPM with the lightest pressure on the accelerator, the gearbox might not change to the final gear, thus you're wasting petrol because slower when compare to final gear speed at the same RPM.

and for Manual, because of the assumption that lower RPM gives better FC, you might change gear too early and thus need to have higher pressure on the accelerator to build more momentum, which lead to wasting petrol.
basically to get lowest FC, is to get the optimum pressure on the accelerator vs the RPM speed.
but this is my theory lar. tongue.gif
correct me if i'm wrong.
*
I also don't think lower rpm=lower FC. Using proper gear and throttle control is. Last time my car got vacumm meter, I can easily see how much I depressed the gas pedal. if I'm doing 50km/h, I use 4th gear.
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post Aug 1 2008, 08:38 PM

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i usually onli go to max 2.5k rpm.
shift2
post Aug 1 2008, 09:49 PM

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my car oso 2700 rpm @11km/h
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post Aug 2 2008, 07:23 PM

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erm...my civic ej6 b16a manual 4k rpm at 110kmh..but last time auto reach 3k at 110kmh....so manual sux?????
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post Aug 2 2008, 07:29 PM

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camry 2.4L (08) -after settle down to final gear: 2100 rpm @ 110 km/h

anyone driving accord / mazda 6 care to share similar info?
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QUOTE(calvin_9370 @ Aug 2 2008, 07:23 PM)
erm...my civic ej6 b16a manual 4k rpm at 110kmh..but last time auto reach 3k at 110kmh....so manual sux?????
*
AT and MT uses different gear ratios. Ratios is all about compromise, you may get lower rpm in the top end but at the expense of the low end.
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post Aug 2 2008, 09:11 PM

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Civic FD 1.8, 110 km/h @ 2.1k rpm
eastwest
post Aug 2 2008, 10:52 PM

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QUOTE(shift2 @ Aug 1 2008, 09:49 PM)
my car oso 2700 rpm @11km/h
*
Wow, what a number. tongue.gif
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post Aug 3 2008, 03:02 AM

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QUOTE(shift2 @ Aug 1 2008, 09:49 PM)
my car oso 2700 rpm @11km/h
*
thats fast dude.. 1st gear eh? laugh.gif
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post Aug 3 2008, 03:05 AM

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QUOTE(joanalooidog @ Aug 1 2008, 09:12 AM)
Hi all. Is it true that the lower the rpm reading, the better of the car's fc?

Currently I'm driving a b14 sentra '97(A).
RPM = 2700 @ 110km/h
The FC is around 11-13km /l

I'm interested to know others car like toyota seg 1.6, myvi 1.3, toyota vios, city idsi, hyundai getz 1.4. Both auto and manual............
others model are welcome also, thanks.
*
ur fc are soo safe?wat did u mod btw?
my rpm for kelisa is 3k plus when reach 110km/h cry.gif
Oly
post Aug 3 2008, 03:11 AM

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proton wira...3.7k rpm...sweat.gif
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post Aug 3 2008, 09:11 AM

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QUOTE(Oly @ Aug 3 2008, 03:11 AM)
proton wira...3.7k rpm...sweat.gif
*

1.3? 1.5? 1.6? 1.8?

mine 1.6 [email protected] rpm

imperialrealcs
post Aug 3 2008, 10:40 AM

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mine wira 1.6 mivec auto 2.5k rpm @ 110km/h
quick_shaq
post Aug 3 2008, 01:40 PM

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i think my iswara 1.3 rpm at 110km/h is at 3.5k rpm
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post Aug 3 2008, 02:13 PM

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(All RPMs recorded at 110 km/h)

Perodua Kelisa 1.0 (A) - Around 3.7-3.8k RPM
Fiat Punto ELX 1.2 (CVT) - 2.1-2.2k RPM
Mitsubishi Galant 1.8 (M) - 3.0-3.1k RPM
Lexus RX300 3.0 (A) - Around 2.7-2.8k RPM
Proton Gen2 1.6 (A) - Roughly 3k RPM

Oly
post Aug 3 2008, 05:42 PM

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QUOTE(xxboxx @ Aug 3 2008, 09:11 AM)
1.3? 1.5? 1.6? 1.8?

mine 1.6 [email protected] rpm
*
2.0 evo 3...dunno why...the ratio perhaps...
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post Aug 3 2008, 07:45 PM

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QUOTE(quick_shaq @ Aug 3 2008, 01:40 PM)
i think my iswara 1.3 rpm at 110km/h is at 3.5k rpm
*
mine did in 3k at fifth gear..while my 240gl did 3k in fourth gear,and 2.6k in fifth gear...
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QUOTE(AHBOON @ Aug 3 2008, 03:05 AM)
ur fc are soo safe?wat did u mod btw?
my rpm for kelisa is 3k plus when reach 110km/h cry.gif
*
ha? 11-13km /l consider safe kah? for if more than 14km per liter consider safe lah......
and my b14 is all ori, no mod.


QUOTE(Oly @ Aug 3 2008, 03:11 AM)
proton wira...3.7k rpm...sweat.gif
*
sure not, that high meh? 1.5? manual or auto?


Added on August 4, 2008, 9:37 am
QUOTE(mTk @ Aug 3 2008, 02:13 PM)
(All RPMs recorded at 110 km/h)

Perodua Kelisa 1.0 (A) - Around 3.7-3.8k RPM
Fiat Punto ELX 1.2 (CVT) - 2.1-2.2k RPM
Mitsubishi Galant 1.8 (M) - 3.0-3.1k RPM
Lexus RX300 3.0 (A) - Around 2.7-2.8k RPM
Proton Gen2 1.6 (A) - Roughly 3k RPM
*
eh, fiat punto cun man.................fc good?

This post has been edited by joanalooidog: Aug 4 2008, 09:37 AM
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post Aug 4 2008, 09:43 AM

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mine nearly 4k, bout 3.8 roughly..

old saga 1.5 auto which has only 3 gears, expected lor.. tongue.gif

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post Aug 4 2008, 10:01 AM

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mine is 4.3k at 5th gear..huhu
Hikaru Kenshin
post Aug 4 2008, 10:55 AM

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my car RPM metre spoilt d.... lol..... i wonder how much it cost to replace

anyway, Iswara about 3.2k RPM @110KM/H
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post Aug 4 2008, 10:56 AM

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2007 Honda CR-V (3rd gen) - 2100rpm @ 110kmph
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post Aug 4 2008, 10:56 AM

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QUOTE(Hikaru Kenshin @ Aug 4 2008, 10:55 AM)
my car RPM metre spoilt d.... lol..... i wonder how much it cost to replace

anyway, Iswara about 3.2k RPM @110KM/H
*
Why not get those after market gauges. Cheaper and looks nicer.. hmm.gif
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post Aug 4 2008, 11:04 AM

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Any recommendation on shops around PJ?

BTW, how do you gain better FC? Any tips on manual cars? tongue.gif

My FC kinda sucks..... full tank about 450KM only... haha driving style sucked tongue.gif
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post Aug 4 2008, 11:07 AM

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Chevy Optra 1.6
2500rpm
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post Aug 4 2008, 11:20 AM

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Paid attention to the rpm meter over the weekend and it confirmed my previous recollection that a E90 325i (2.5L) revs around 2.0-2.2k at 110km/h (6th gear).

A Freelander TD4 (2.0L diesel) is another low-revving vehicle. Usually drives around city <2k rpm, and should probably rev around 2k at 110km/h too I believe. Will check it out next time I get a chance to drive it. I wonder if diesel-engined cars are low-revving in general? Anyone know?


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post Aug 4 2008, 11:26 AM

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i guess so.. from my experience, diesel engines r kinda low revver.. maybe due 2 the fact that it has better torque..
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post Aug 4 2008, 11:36 AM

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QUOTE(Traveler @ Aug 4 2008, 11:20 AM)
Paid attention to the rpm meter over the weekend and it confirmed my previous recollection that a E90 325i (2.5L) revs around 2.0-2.2k at 110km/h (6th gear). 

A Freelander TD4 (2.0L diesel) is another low-revving vehicle. Usually drives around city <2k rpm, and should probably rev around 2k at 110km/h too I believe. Will check it out next time I get a chance to drive it. I wonder if diesel-engined cars are low-revving in general? Anyone know?
*
Because in diesel engine, their higher torque generation at low RPM. Therefore it runs more efficiently at low RPM.
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post Aug 4 2008, 12:22 PM

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Satria GTi - [email protected] (5th gear)

Not much power at 3k rpm, only comes in around 3.5k, fuel efficiency, depends on right foot, coz at 5th gear and constant speed, 3k n 3.5k roughly cost d same but 3.5k sounds smoother laugh.gif
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post Aug 4 2008, 12:53 PM

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City IDSI, 2.6/2.7k RPM at 110km/h
md_aie
post Aug 4 2008, 01:10 PM

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civic 1.7..around 2.6-2.7k rpm..
ch_teo
post Aug 6 2008, 12:29 AM

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seg 4afe, ae111, year 97, 186k mileage, 90km/hr @ 2k rpm. smile.gif all engine stock, except using NGK platinum spark plugs, pivot spark earth, pivot blue raizin, 5-point grounding. fun driving it biggrin.gif

This post has been edited by ch_teo: Aug 6 2008, 12:31 AM
TSjoanalooidog
post Aug 6 2008, 09:25 AM

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wow, seg 90km/h @ 2k rpm??
than 110km/h should be lesser than 2.5k rpm rite? so nice?


Added on August 6, 2008, 9:45 amsummary at 1st page

This post has been edited by joanalooidog: Aug 6 2008, 09:45 AM
kev da man
post Aug 6 2008, 10:10 AM

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kenari 1.0 (M) 110 @ 3.4k
ch_teo
post Aug 6 2008, 10:17 AM

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QUOTE(joanalooidog @ Aug 6 2008, 09:25 AM)
wow, seg 90km/h @ 2k rpm??
than 110km/h should be lesser than 2.5k rpm rite? so nice?


Added on August 6, 2008, 9:45 amsummary at 1st page
*
yup, ~130km/hr only reach ~3k rpm, that is why i said fun driving it. smile.gif
i just chalked up ~14km/liter two days ago, KL->JB.

This post has been edited by ch_teo: Aug 6 2008, 10:19 AM
shado
post Aug 6 2008, 10:35 AM

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http://i213.photobucket.com/albums/cc39/ishado/Image087.jpg

This post has been edited by shado: Aug 6 2008, 10:37 AM
syazone
post Aug 6 2008, 10:39 AM

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waja mitsu
110kmh @ 2.9K rpm

edited:
waja cps really 110kmh @3.2K rpm? hmm.gif

This post has been edited by syazone: Aug 6 2008, 10:40 AM
Gouki
post Aug 6 2008, 10:51 AM

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QUOTE(b00n @ Aug 1 2008, 07:01 PM)
Too keep it simple....yes your assumption is correct.
It is advisable for those that changes their rim size to re-calibrate their speedo. But obviously who wants to go through that hassle.
Also, lack of equipment to do that too.
*
Thats why we have various of tire profiles to keep the proper thickness of the tires according to your rim sizes to maintain the OD. laugh.gif
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QUOTE(shado @ Aug 6 2008, 10:35 AM)
wat car oh...............
Vervain
post Aug 6 2008, 01:35 PM

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looks like kelisa
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QUOTE(ch_teo @ Aug 6 2008, 10:17 AM)
yup, ~130km/hr only reach ~3k rpm, that is why i said fun driving it. smile.gif
i just chalked up ~14km/liter two days ago, KL->JB.
*
auto or manual?
my b14 130km/h @ 3k as well, but 110km/h @ 2.7k.
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post Aug 6 2008, 01:44 PM

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QUOTE(Vervain @ Aug 6 2008, 01:35 PM)
looks like kelisa
*
yup, kelisa/kenari manual is about 3.1 to 3.2k rpm.
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QUOTE(Vervain @ Aug 6 2008, 01:35 PM)
looks like kelisa
*
QUOTE(kev da man @ Aug 6 2008, 01:44 PM)
yup, kelisa/kenari manual is about 3.1 to 3.2k rpm.
*
Bingo... rclxms.gif
You got it right... thumbup.gif

Kelisa 1.0(M)
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post Aug 6 2008, 01:57 PM

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accord 2.0
2.2-2.4k
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post Aug 6 2008, 01:57 PM

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LOL, that is kelisa rite.... always tumpang my friend who's driving one XD...used to it d hahaha.......
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post Aug 6 2008, 02:06 PM

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QUOTE(joanalooidog @ Aug 6 2008, 01:37 PM)
auto or manual?
my b14 130km/h @ 3k as well, but 110km/h @ 2.7k.
*
auto smile.gif
usus
post Aug 6 2008, 03:23 PM

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mine [email protected] around 2.7k
! Love Money
post Aug 6 2008, 04:51 PM

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QUOTE(joanalooidog @ Aug 6 2008, 09:25 AM)
wow, seg 90km/h @ 2k rpm??
than 110km/h should be lesser than 2.5k rpm rite? so nice?


Added on August 6, 2008, 9:45 amsummary at 1st page
*
good job rclxms.gif got finalise rclxms.gif
pls add to persona 3.2k as manual tranny


Added on August 6, 2008, 4:52 pmfotgot to say thanks nod.gif

This post has been edited by ! Love Money: Aug 6 2008, 04:52 PM
Hikaru Kenshin
post Aug 6 2008, 06:35 PM

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Persona 3.2k @110KM/h??

1.6 wo?

Auto or Manual?

This post has been edited by Hikaru Kenshin: Aug 6 2008, 06:35 PM
eastwest
post Aug 8 2008, 11:07 PM

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Waja CPS AT
110km/h at 2900rpm icon_rolleyes.gif

Perdana V6
110km/h at 2800rpm smile.gif

Accord CB3(???!!!)
110km/h at 3000rpm hmm.gif

This post has been edited by eastwest: Aug 8 2008, 11:09 PM
colinwong89
post Aug 8 2008, 11:44 PM

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Stock Avanza 1.3AT pre-facelift is about 4000 RPM IIRC.
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post Aug 8 2008, 11:45 PM

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My wira 1.3 (m) at 3200rpm

This post has been edited by Azuma-kun: Aug 8 2008, 11:45 PM
Hikaru Kenshin
post Aug 8 2008, 11:53 PM

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about same wif my iswara hehehe
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post Aug 9 2008, 12:36 AM

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honda accord 04 , 2.4 .
2k rpm @ 120km/h
1.9~2k rpm @ 110km/h

waja 03 , 1.6p
3k rpm @ 120km.h
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post Aug 9 2008, 12:46 AM

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Saga BLM 08, 1.3
110kmph @ about 3000rpm
braindead_fr3ak
post Aug 9 2008, 02:25 PM

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my rpm at 110 km is about 8000... hmmm yea thats about right


Added on August 9, 2008, 2:26 pmoh ya.. yamaha yz150i smile.gif.. its a bike....

hey ..who said only cars here right?

This post has been edited by braindead_fr3ak: Aug 9 2008, 02:26 PM
farscope
post Aug 9 2008, 02:36 PM

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rclxub.gif doh.gif rclxms.gif
squareballs
post Aug 9 2008, 02:38 PM

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Waja campro auto
2.7k rpm
eastwest
post Aug 9 2008, 03:26 PM

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QUOTE(squareballs @ Aug 9 2008, 02:38 PM)
Waja campro auto
2.7k rpm
*
2.7k rpm? hmmm
squareballs
post Aug 9 2008, 03:37 PM

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QUOTE(eastwest @ Aug 9 2008, 03:26 PM)
2.7k rpm? hmmm
*
why?
Ultima
post Aug 9 2008, 03:53 PM

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should b 3k.. 2.7 is too low bro for a waja sweat.gif
eastwest
post Aug 9 2008, 04:20 PM

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QUOTE(squareballs @ Aug 9 2008, 03:37 PM)
why?
*
I also dont know why tongue.gif laugh.gif

QUOTE(Ultima @ Aug 9 2008, 03:53 PM)
should b 3k.. 2.7 is too low bro for a waja sweat.gif
*
Eh, is this true?

This post has been edited by eastwest: Aug 9 2008, 04:21 PM
dattebayo
post Aug 9 2008, 05:14 PM

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is it higher RPM will result in quicker wear and tear in engine part?
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post Aug 9 2008, 06:03 PM

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QUOTE(Ultima @ Aug 9 2008, 03:53 PM)
should b 3k.. 2.7 is too low bro for a waja sweat.gif
*
Are u sure? cause my friend's waja campro auto also same.

This post has been edited by squareballs: Aug 9 2008, 06:05 PM
sinclairZX81
post Aug 9 2008, 07:44 PM

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My kenari auto, should be more than 3.5k.
dattebayo
post Aug 9 2008, 09:00 PM

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am interested in knowing the values for picanto, spectra, other hyundais
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post Aug 10 2008, 10:55 PM

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ts nvr update the front page lol...
TSjoanalooidog
post Aug 11 2008, 09:18 AM

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QUOTE(Azuma-kun @ Aug 8 2008, 11:45 PM)
My wira 1.3 (m) at 3200rpm
*
eh, i thought wira 1.3 no rpm meter............


Added on August 11, 2008, 9:19 am
QUOTE(aiyoyoyo @ Aug 10 2008, 10:55 PM)
ts nvr update the front page lol...
*
got update lah.............

This post has been edited by joanalooidog: Aug 11 2008, 09:19 AM
yfyap69
post Aug 11 2008, 11:05 AM

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New Audi A4 B8 1.8 TFSI only 2000 rpm @ 110 km/hr. Impressive....Max torque 250 nm @ 1500 - 4500 rpm. Very good leh...
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post Aug 11 2008, 12:54 PM

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I think mine is about 4000rpm at 110km/h. Need to double check again later...for more specific reading.
crazytazz
post Aug 11 2008, 01:06 PM

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i'll check mine later tongue.gif
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post Aug 11 2008, 01:09 PM

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1.6 Wira auto, 110km at 2700rpm

This post has been edited by shinjite: Aug 14 2008, 12:40 AM
Azuma-kun
post Aug 11 2008, 01:12 PM

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QUOTE(joanalooidog @ Aug 11 2008, 09:18 AM)
eh, i thought wira 1.3 no rpm meter............

*
Kira sendiri laugh.gif
Use external meter la. But i dont think it is so accurate.
crazytazz
post Aug 12 2008, 09:22 AM

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mine is around 3800krpm @ 110km.
d3vilzzzz
post Aug 12 2008, 09:37 AM

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1.3 sunny, Manual, 5th gear 110km/h = 2600 rpm
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post Aug 12 2008, 01:31 PM

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Honda City Vtec around 2500rpm
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post Aug 12 2008, 01:38 PM

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vios 2006 model around 2700 @ 110km/h

3000 @ 120km/h
sjz
post Aug 12 2008, 02:33 PM

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Would like to know is it normal?
I'm trying out a 15 years Iswara A/T with a new transplanted 2004 MegaValve engine. Carrying 5 adults and the rpm for 100km/h is 3900rpm.
I feel that it's way too high because for my Wira which is a A/T also, at most it will be 3000rpm for 100km/h.
So any advice? smile.gif

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QUOTE(d3vilzzzz @ Aug 12 2008, 09:37 AM)
1.3 sunny, Manual, 5th gear 110km/h = 2600 rpm
*
no wonder ppl say sunny hv a very good FC thumbup.gif
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post Aug 13 2008, 02:26 AM

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wish 2.0 auto 110km/h @ 2000rpm..
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post Aug 13 2008, 09:27 AM

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QUOTE(amduser @ Aug 12 2008, 01:38 PM)
vios 2006 model around 2700 @ 110km/h

3000 @ 120km/h
*
110km/h @ 2.7k? i think someone claim that viosis only 2.5k ?

QUOTE(sjz @ Aug 12 2008, 02:33 PM)
Would like to know is it normal?
I'm trying out a 15 years Iswara A/T with a new transplanted 2004 MegaValve engine. Carrying 5 adults and the rpm for 100km/h is 3900rpm.
I feel that it's way too high because for my Wira which is a A/T also, at most it will be 3000rpm for 100km/h.
So any advice? smile.gif
*
wah................so high the rpm. 1.3 or 1.5?

or maybe manual cars have higher rpm than auto tranny @ 110km/h?


Added on August 13, 2008, 9:31 am
QUOTE(sonic_cd @ Aug 13 2008, 02:26 AM)
wish 2.0 auto 110km/h @ 2000rpm..
*
wah, wish so low the rpm, the fc must be good for a 2 liter car.

This post has been edited by joanalooidog: Aug 13 2008, 09:31 AM
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post Aug 13 2008, 02:53 PM

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It is 1.5 A/T.. smile.gif
Some more new/recond (not sure) 1.5 MegaValve engine transplanted 4 years ago, at Mid 2004 la...



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post Aug 14 2008, 12:43 AM

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QUOTE(joanalooidog @ Aug 13 2008, 09:27 AM)
or maybe manual cars have higher rpm than auto tranny @ 110km/h?
*
Auto only have 3 to 4 gears for normal road cars (majority 4 gears)

So their ratio is longer under overdrive mode (4th), end up lower rpm at high speeds to save fuel


Update: 4G92p 1.6 manual 110km/[email protected] using F5M221XPXL GB
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post Aug 14 2008, 12:51 AM

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Ford Laser Lynx 1.8 Auto

2750rpm when torque convertor fully locks
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post Aug 14 2008, 02:35 AM

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citroen c3 1.6 semi auto - 2.3k

This post has been edited by MangKoK^ayon: Aug 14 2008, 02:35 AM
sjz
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QUOTE(shinjite @ Aug 14 2008, 12:43 AM)
Auto only have 3 to 4 gears for normal road cars (majority 4 gears)

So their ratio is longer under overdrive mode (4th), end up lower rpm at high speeds to save fuel
Update: 4G92p 1.6 manual 110km/[email protected] using F5M221XPXL GB
*
For A/T with only 3 gears, will be have a high FC?
Imagine going everywhere with your 3rd gear in a M/T.... tongue.gif
Or its different?
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post Aug 14 2008, 08:40 PM

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Naza Suria 1.1 Auto 3k
ryan_hustler
post Aug 14 2008, 09:31 PM

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wiraSE(m) 1.5 slightly less than 3k @ 110 km/h
lets say 2.9k

whoose wira 1.5 is that 3.8k??? :blink:why all the wira got diff rpm? hmm.gif

vios 1.5(a) 2.5k @ 110km/h

This post has been edited by ryan_hustler: Aug 14 2008, 09:41 PM