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 Proton Prevé V17, steady as she goes

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dares
post Feb 9 2013, 09:59 AM

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QUOTE(didot @ Feb 9 2013, 06:43 AM)
Iafm & iafm+ is not same. Totally different. Iafm+ basically is cfe engine without turbo. Means you can add turbo anytime. Iafm & iafm+ has different engine build up. Difference in diamention, compression, if you really need all the details, you can call proton engineer directly. It is not good to ASSUME this and that.
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IAFM and IAFM+ has the same compression ratio (10:1) and displacement. CFE has a lower compression ratio (8.9:1) and slightly lower displacement (lower stroke), not to mention strengthened internals to withstand the higher output.

You can't simply bolt on the BorgWarner turbo on the IAFM+ and call it a CFE. The engine block is the same, the internals are different.

This post has been edited by dares: Feb 9 2013, 10:01 AM
didot
post Feb 9 2013, 10:42 AM

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QUOTE(dares @ Feb 9 2013, 09:59 AM)
IAFM and IAFM+ has the same compression ratio (10:1) and displacement. CFE has a lower compression ratio (8.9:1) and slightly lower displacement (lower stroke), not to mention strengthened internals to withstand the higher output.

You can't simply bolt on the BorgWarner turbo on the IAFM+ and call it a CFE. The engine block is the same, the internals are different.
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I mean, cfe is build based on iafm+, not iafm. That is why iafm+ is different with iafm. Despite the compression ratio iafm n iafm+ is same, but it has different characteristic. Cheers. But doest matter, that is not what we cares, what we care is iafm+ should be better thn iafm. Im using cfe and I fully satisfied with the engine. My mom crv also not perform like cfe 1.6. Harap je vtec 2.0, tp lembap je.
TSarthur88
post Feb 9 2013, 11:41 AM

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QUOTE(sg999 @ Feb 8 2013, 11:53 PM)
i think it is good
very good gear ratio
2nd gear can drag to 110kmh and 120@3000rpm gear 5
better than blm ratio alot laugh.gif
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blink.gif ohmy.gif shocking.gif shocking.gif shocking.gif doh.gif
SUSKinitos
post Feb 9 2013, 11:51 AM

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QUOTE(kyox88 @ Feb 8 2013, 10:31 PM)
couldnt agree more...however MT the gear 1 seems got problem abit, hard to enter sometime..and u need to press extra oil too after releasing the clutch...m still nt used to it  smile.gif
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Preve MT method is release clutch let the move forward then press oil

release clutch and press oil same time the "over smart ECU" will do engine braking (waste your oil) kononnya to ensure smooth pickup slow like siput

Everyone who intend to get Preve MT pls test drive it during working/lunchtime hours
and try some hilly slopes. If U can handle it can Buy, this Preve MT ECU profiles not the same as others Proton MT

Confirm u feel less power than MT Saga BLM on slope


gkl83
post Feb 9 2013, 12:11 PM

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QUOTE(Kinitos @ Feb 9 2013, 11:51 AM)
Preve MT method is release clutch let the move forward then press oil

release clutch and press oil same time the "over smart ECU" will do engine braking (waste your oil) kononnya to ensure smooth pickup slow like siput
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never heard different car have different MT shifting... though is depend on driver skill and preferences and road condition...

there have some skill called "rev match" as throttle up the RPM according to car speed & gearing while releasing cluching...
it is good as lesser wear and tear and clutch plate too and there almost dont have "shift shock" feeling (no engine brake or no sudden-boost) if skillful with MT enough...

anyway, poor AT (such as proton savvy) will serious "shift shock" with engine brake too which supposing to sudden-boost feeling as i floored the pedal from low speed to high speed

This post has been edited by gkl83: Feb 9 2013, 12:16 PM
gkl83
post Feb 9 2013, 12:13 PM

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QUOTE(ben3003 @ Feb 9 2013, 08:08 AM)
kk.. i think my myvi 1.3 also not any better.. full tank maybe 300-320km flashing need fill up liao, 35L like tat.. mine around 350km fill 40L like tat..
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guess u driving AT? bcos i have myvi MT 2007, still managed to get average 17km/h around Klang Valley...
about RM57 @ 30L for 450-500km...
sg999
post Feb 9 2013, 12:17 PM

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QUOTE(Kinitos @ Feb 9 2013, 12:51 PM)
Preve MT method is release clutch let the move forward then press oil

release clutch and press oil same time the "over smart ECU" will do engine braking (waste your oil) kononnya to ensure smooth pickup slow like siput

Everyone who intend to get Preve MT pls test drive it during working/lunchtime hours
and try some hilly slopes. If U can handle it can Buy, this Preve MT ECU profiles not the same as others Proton MT

Confirm u feel less power than MT Saga BLM on slope
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of course la
BLM gearbox has near disctance gear ratio from each gear ma
that why at the end 12024000rpm laugh.gif
sg999
post Feb 9 2013, 12:18 PM

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QUOTE(gkl83 @ Feb 9 2013, 01:11 PM)
never heard different car have different MT shifting... though is depend on driver skill and preferences and road condition...

there have some skill called "rev match" as throttle up the RPM according to car speed & gearing while releasing cluching...
it is good as lesser wear and tear and clutch plate too and there almost dont have "shift shock" feeling (no engine brake or no sudden-boost) if skillful with MT enough...

anyway, poor AT (such as proton savvy) will serious "shift shock" with engine brake too which supposing to sudden-boost feeling as i floored the pedal from low speed to high speed
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maybe due to throttle delay
gkl83
post Feb 9 2013, 12:40 PM

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QUOTE(sg999 @ Feb 9 2013, 12:18 PM)
maybe due to throttle delay
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i guess our modern ECU should have the capabilities to differentiate the car speed and RPM level while shifting, it it just same like drive a manual as Kinitos described...

but MT should have the room to reduce "shift shock" as we can play both pedals to control the car depend on road condition rather than 1 pedal only which have limited choices as controlled by ECU 100%...

anyway, definitely i will buy preve no matter how if there have CFE manual with premium spec... smile.gif
i still prefer to "control" the car rather than car "control" me... tongue.gif
sg999
post Feb 9 2013, 12:45 PM

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QUOTE(gkl83 @ Feb 9 2013, 01:40 PM)
i guess our modern ECU should have the capabilities to differentiate the car speed and RPM level while shifting, it it just same like drive a manual as Kinitos described...

but MT should have the room to reduce "shift shock" as we can play both pedals to control the car depend on road condition rather than 1 pedal only which have limited choices as controlled by ECU 100%...

anyway, definitely i will buy preve no matter how if there have CFE manual with premium spec... smile.gif
i still prefer to "control" the car rather than car "control" me... tongue.gif
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yeah
that why i looking preve manual also laugh.gif
dares
post Feb 9 2013, 12:56 PM

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QUOTE(didot @ Feb 9 2013, 10:42 AM)
I mean, cfe is build based on iafm+, not iafm. That is why iafm+ is different with iafm. Despite the compression ratio iafm n iafm+ is same, but it has different characteristic. Cheers. But doest matter, that is not what we cares, what we care is iafm+ should be better thn iafm. Im using cfe and I fully satisfied with the engine. My mom crv also not perform like cfe 1.6. Harap je vtec 2.0, tp lembap je.
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IAFM+ have different camshaft and different pistons compared to IAFM, mainly to accomodate the CVT, so you're right that characteristics are different smile.gif
gkl83
post Feb 9 2013, 12:59 PM

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QUOTE(sg999 @ Feb 9 2013, 12:45 PM)
yeah
that why i looking preve manual also laugh.gif
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but say no to CPS... laugh.gif
even current Exora standard also equipped with CFE... smile.gif
sg999
post Feb 9 2013, 01:02 PM

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QUOTE(gkl83 @ Feb 9 2013, 01:59 PM)
but say no to CPS...  laugh.gif
even current Exora standard also equipped with CFE... smile.gif
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why anti CPS???waja cps mt not bad leh blush.gif
ben3003
post Feb 9 2013, 01:36 PM

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QUOTE(gkl83 @ Feb 9 2013, 12:13 PM)
guess u driving AT? bcos i have myvi MT 2007, still managed to get average 17km/h around Klang Valley...
about RM57 @ 30L for 450-500km...
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yup AT one.. average 17km/h speed u still can get so low FC?
sg999
post Feb 9 2013, 01:55 PM

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QUOTE(ben3003 @ Feb 9 2013, 02:36 PM)
yup AT one.. average 17km/h speed u still can get so low FC?
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DVVT + 5MT
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ben3003
post Feb 9 2013, 02:08 PM

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QUOTE(sg999 @ Feb 9 2013, 01:55 PM)
DVVT + 5MT
nod.gif
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>< AT so makan fuel... i drive savvy MT at KL normally 50 can go 300++ like tat only le.. but is stop and go traffic la..
sg999
post Feb 9 2013, 02:29 PM

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QUOTE(ben3003 @ Feb 9 2013, 03:08 PM)
>< AT so makan fuel... i drive savvy MT at KL normally 50 can go 300++ like tat only le.. but is stop and go traffic la..
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my BLM MT in KL CITY also 11km/l+ only
gkl83
post Feb 9 2013, 03:15 PM

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QUOTE(ben3003 @ Feb 9 2013, 01:36 PM)
yup AT one.. average 17km/h speed u still can get so low FC?
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typo, should be 17km/L smile.gif

that why dont go for normal 4AT as it consume some petrol there... it is better go for CVT instead...

This post has been edited by gkl83: Feb 9 2013, 03:16 PM
gkl83
post Feb 9 2013, 03:25 PM

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QUOTE(sg999 @ Feb 9 2013, 01:02 PM)
why anti CPS???waja cps mt not bad leh blush.gif
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CPS old tech lo and lack of power
sure have the reasons for new exora standard equip with CFE now even though CPS previously...
Manlet
post Feb 9 2013, 04:18 PM

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QUOTE(gkl83 @ Feb 9 2013, 12:40 PM)
i guess our modern ECU should have the capabilities to differentiate the car speed and RPM level while shifting, it it just same like drive a manual as Kinitos described...

but MT should have the room to reduce "shift shock" as we can play both pedals to control the car depend on road condition rather than 1 pedal only which have limited choices as controlled by ECU 100%...

anyway, definitely i will buy preve no matter how if there have CFE manual with premium spec... smile.gif
i still prefer to "control" the car rather than car "control" me... tongue.gif
*
later preve hatch back got CFE 6 speed manual drool.gif drool.gif drool.gif drool.gif drool.gif

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