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 Proton Prevé V2, Drive it to Believe it

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SUSAmeiN
post Mar 31 2012, 08:32 PM

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Fuuuh gila powesssss mat79.. Suspek2.... notworthy.gif

This post has been edited by AmeiN: Mar 31 2012, 08:32 PM
ckk125
post Mar 31 2012, 08:34 PM

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QUOTE(ben_panced @ Mar 31 2012, 08:28 PM)
he is an engineer working for proton lol
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6% power loss on a cvt is highly doubtful. if that is the case, inspira will smoke civic anyday, which is not the case.

saga flx will smoke honda city ivtec, which is not the case.
ben_panced
post Mar 31 2012, 08:37 PM

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QUOTE(ckk125 @ Mar 31 2012, 08:34 PM)
6% power loss on a cvt is highly doubtful. if that is the case, inspira will smoke civic anyday, which is not the case.

saga flx will smoke  honda city ivtec, which is not the case.
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your cvt is from jatco not ZF so powerloss is different..

case in hand:

MT from getrag 5% powerloss vs sucky MT from mitsu 12% powerloss

This post has been edited by ben_panced: Mar 31 2012, 08:37 PM
ckk125
post Mar 31 2012, 08:42 PM

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QUOTE(ben_panced @ Mar 31 2012, 08:37 PM)
your cvt is from jatco not ZF so powerloss is different..

case in hand:

MT from getrag 5% powerloss vs sucky MT from mitsu 12% powerloss
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jatco is the world's leading cvt manufacturer, they make for nissan, suzuki, mitsubishi. doh.gif even reviews say that the punch powertrain is not as smooth as the jatco's.

if what mr mat79 says is true, iafm+ only suffers 6% powerloss at the cvt, tell me why it is not even on par with city's ivtec, which is on a auto gearbox?

dont get me wrong, it is good to have a discussion on this..i agree to be disagreed.

This post has been edited by ckk125: Mar 31 2012, 08:43 PM
ben_panced
post Mar 31 2012, 08:43 PM

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QUOTE(ckk125 @ Mar 31 2012, 08:42 PM)
jatco is the world's leading cvt manufacturer, they make for nissan, suzuki, mitsubishi. doh.gif  even reviews say that the punch powertrain is not as smooth as the jatco's.

if what mr mat79 says is true, iafm+ only suffers 6% powerloss at the cvt, tell me why it is not even on par with city's ivtec, which is on a auto gearbox?
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furthermore the zf cvt unit is using single clutch while your jatco cvt is using torque converter..
so that is why the powerloss for zf cvt is quite minimal
davidletterboyz
post Mar 31 2012, 08:51 PM

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QUOTE(ckk125 @ Mar 31 2012, 08:42 PM)
jatco is the world's leading cvt manufacturer, they make for nissan, suzuki, mitsubishi. doh.gif  even reviews say that the punch powertrain is not as smooth as the jatco's.

if what mr mat79 says is true, iafm+ only suffers 6% powerloss at the cvt, tell me why it is not even on par with city's ivtec, which is on a auto gearbox?

dont get me wrong, it is good to have a discussion on this..i agree to be disagreed.
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Not on par in terms of what?
ckk125
post Mar 31 2012, 08:53 PM

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QUOTE(ben_panced @ Mar 31 2012, 08:43 PM)
furthermore the zf cvt unit is using single clutch while your jatco cvt is using torque converter..
so that is why the powerloss for zf cvt is quite minimal
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agreed on the torque converter part.

campro iafm+ 108hp 5750 rpm, 150nm 4krpm, for cvt, powerloss on transmission 6%, manual, powerloss on transmission 5%.

cvt = 94% of 108 and 150, 101.52hp, 141nm

honda city 20% transmission loss(quite consistant even on the civics)

80% of 118hp and 145nm = 94hp and 116nm torque

So saga flx is faster than city ivtec?

Saga 1080kg

City 1160kg

Saga flx 0-100 = 12.5 seconds

City 0-100 = 11.5 seconds.

By right the saga with less powerloss, lighter body will devour the city, but the figures doesnt tally, right?
ben_panced
post Mar 31 2012, 08:59 PM

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QUOTE(ckk125 @ Mar 31 2012, 08:53 PM)
agreed on the torque converter part.

campro iafm+ 108hp 5750 rpm, 150nm 4krpm, for cvt, powerloss on transmission 6%, manual, powerloss on transmission 5%.

cvt = 94% of 108 and 150, 101.52hp, 141nm

honda city 20% transmission loss(quite consistant even on the civics)

80% of 118hp and 145nm = 94hp and 116nm torque

So saga flx is faster than city ivtec?

Saga 1080kg

City 1160kg

Saga flx 0-100 = 12.5 seconds

City 0-100 = 11.5 seconds.

By right the saga with less powerloss, lighter body will devour the city, but the figures doesnt tally, right?
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i tot saga is at 1.1 tonnes?
ckk125
post Mar 31 2012, 09:01 PM

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QUOTE(ben_panced @ Mar 31 2012, 08:59 PM)
i tot saga is at 1.1 tonnes?
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the brochure says otherwise. smile.gif
ben_panced
post Mar 31 2012, 09:03 PM

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QUOTE(ckk125 @ Mar 31 2012, 09:01 PM)
the brochure says otherwise. smile.gif
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well we have to wait until comes here mat79 to answer

This post has been edited by ben_panced: Mar 31 2012, 09:03 PM
TSdares
post Mar 31 2012, 09:11 PM

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QUOTE(stargate8 @ Mar 31 2012, 07:09 PM)
so lesser power loss = better FC?
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More efficient.

Less power loss means more energy is transferred to the wheel to move the car and less energy turn into heat and sound.

QUOTE(fahmietalife @ Mar 31 2012, 07:33 PM)
why dont yall discuss about Lamborghini Aventador powertrain here ?
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When the Aventador starts using a 1.6 engine, we will rolleyes.gif rolleyes.gif
V12Kompressor
post Mar 31 2012, 09:37 PM

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figures on brochure can be understated or overstated depending on manufacturer.

The Saga 1.3 FLX has a 0-100 of 14.5 sec printed on brochure, but on youtube there's already one doing 0-100 around 13 sec.
7989k
post Mar 31 2012, 09:39 PM

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QUOTE(zariel @ Mar 31 2012, 07:11 PM)
elantra 1.8 power output is not 201hp... it is 148hp... but that is nu engine... i dont know what is inside the malaysian version elantra... refer here

http://en.wikipedia.org/wiki/Hyundai_Nu_engine
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Hyundai / Kia Main Engines

Gasoline
- Kappa 1.0 MPI ( 82ps / 9.6 kg.m )
- Kappa 1.0 TCI ( 110 / 14.0 )
- Kappa 1.2 Turbo GDI ( 136 / 19.3 )

- Gamma 1.6 GDI ( 140 / 17.0 )
- Gamma 1.6 Turbo GDI ( 204 / 27 )

- Nu 1.8 ( 150 / 18.2 )
- Nu 2.0 CVVL ( 171 / 20.0 )
- Nu 2.0 GDI ( 177 / 21.5 )

- Theta II 2.0 Turbo GDI ( 270 / 37.2 )
- Theta II 2.4 GDI ( 201 / 25.5 )

- Lambda 3.8 GDI ( 334 / 40.3 )
- Tau 5.0 GDI ( 430 / 52 )

Diesel
- U II 1.7 Twin Turbo ( 160 / 38 )
- R 2.2 Twin Turbo ( 225 / 51 )

This post has been edited by 7989k: Mar 31 2012, 10:11 PM
turbocharged
post Mar 31 2012, 09:40 PM

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QUOTE(fahmietalife @ Mar 31 2012, 07:33 PM)
why dont yall discuss about Lamborghini Aventador powertrain here ?
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if proton rebadged aventador, then we will start talking about that here.
ckk125
post Mar 31 2012, 09:43 PM

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QUOTE(V12Kompressor @ Mar 31 2012, 09:37 PM)
figures on brochure can be understated or overstated depending on manufacturer.

The Saga 1.3 FLX has a 0-100 of 14.5 sec printed on brochure, but on youtube there's already one doing 0-100 around 13 sec.
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the point is, 1.6 flx cant match the 1.5 but heavier honda city, which makes the statement of 6% powerloss at the CVT highly doubtful.
h4dRi
post Mar 31 2012, 09:46 PM

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QUOTE(ckk125 @ Mar 31 2012, 09:43 PM)
the point is, 1.6 flx cant match the 1.5 but heavier honda city, which makes the statement of 6% powerloss at the CVT highly doubtful.
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honda city using short gear ratio perhaps
megat89
post Mar 31 2012, 09:47 PM

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QUOTE(ckk125 @ Mar 31 2012, 09:43 PM)
the point is, 1.6 flx cant match the 1.5 but heavier honda city, which makes the statement of 6% powerloss at the CVT highly doubtful.
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yup..same also, people say, higher cc means better fc than the lower cc engine of the same car..but nearly all of the manufacturer that i know always state that the higher cc is, the higher the fc is..
ckk125
post Mar 31 2012, 09:47 PM

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QUOTE(h4dRi @ Mar 31 2012, 09:46 PM)
honda city using short gear ratio perhaps
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if anything, the CVT can keep the rpm fixed at max power, as opposed to the shifting up and down of the honda city.

Therefore the powerloss cannot be as low as 6%
samwongjyhhorng
post Mar 31 2012, 09:48 PM

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QUOTE(ckk125 @ Mar 31 2012, 09:43 PM)
the point is, 1.6 flx cant match the 1.5 but heavier honda city, which makes the statement of 6% powerloss at the CVT highly doubtful.
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i oso not agree that onli 6% power loss at cvt..maybe the preve/exora cfe/flx se owner can go to dyno to prove it..
h4dRi
post Mar 31 2012, 09:50 PM

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QUOTE(ckk125 @ Mar 31 2012, 09:47 PM)
if anything, the CVT can keep the rpm fixed at max power, as opposed to the shifting up and down of the honda city.

Therefore the powerloss cannot be as low as 6%
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what is the power to weight ratio for honda city compared to saga flx?

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