tht morning i refuel about 36L, so should be around rm75 for 270.9km

Thx Bro.. U read my mind

The turbo only spools to full boost at 2k RPM, below that it the turbine is still spinning the pump, just not producing a lot of boost if any at all.

Anyway, the CFE has lower compression compared to IAFM+. If it so happens that your turbo rosak-ed and not boosting at all, it should be producing less power than the IAFM+ and consuming more fuel.

This post has been edited by dares: Apr 25 2014, 12:32 AM

thx bro, is tat meant below 2krpm that might possible consume more petrol as its heavy weight body (underpower condition)...

This post has been edited by kulatkia: Apr 25 2014, 08:08 AM

Turbo engines have lower compression. In most cases, it is going to use more fuel. Not underpowered below 2K, turbo don't just ON when it reach 2000 RPM.

noted with thx

The turbo boost don't just suddenly turn on at 2k RPM....it is still spooling below 2k RPM, just not spooled to maximum boost. Study the torque graph below



at 1,900 RPM the CFE (blue line) is already producing more torque than a non-turbo CPS engine (green line), so it is definitely not underpowered. You will only feel underpower if the turbo rosaked and not spooling at all.

This post has been edited by dares: Apr 25 2014, 09:58 AM

hah.. no nd to be confuse...

list down what you want,

daily driving only?

power u nd for turbo?

end of the day, is just what u want for ur car..

set a budget, then go for the option

thx "dares", this explain great to my doubt and noob question. i'm slowing catch up the knowledge. not forget to thx also the rest of sifu advice in early responds

btw mind to educate why there is decreasing of torque after 5k rpm. if i understand correctly from the graph, tis preve is just as good as pick up, after this it just same normal cps engine. and also just wondering why some of forumer comment CFE engine as similar performance as standard 2.0L engine. sorry for the doubt again, trying to learn from all of u

Is it so bad?

I am not sure if this is the car's issue or anything with your foot.. or the traffic condition too..

My last use of 266km, only refilled 23.81Litre @ RM50

Every internal combustion engine has a RPM range where the engine is running most efficiently that is where it is generating the maximum amount of torque, after that range the torque will drop as the efficiency drops. It's just a matter of how quickly it drops and how low it will drop before the engine hits redline.

Many factors such as AFR, stroke x bore size, compression ratio, injection method, induction type etc. etc. will affect where and how much is the peak torque, and how quickly and low it will drop after peak torque.

Proton has cited that the CFE output to be similiar to a 2.0 NA due to the the max torque being similiar to a 2.0 NA engine, although the horsepower is lower than most 2.0 NA engines.

For example,

Inspira 2.0 generates 199 Nm of torque at 4,250RPM, while CFE generates 205 Nm of torque from 2k RPM - 4k RPM.

Inspira 2.0 generates 150 horsepower at 6,000 RPM, while CFE generates 140 horsepower at 5,750 RPM.

Guys i just posted my sharing when buying proton car from this salesmen Sam wong from ozlee sdn bhd. u can have a look at this link bad experience buying proton car from this seller. For those who going to buy new car, think properly when someone advertise how good they are

May I know where you get the OBD2 from? Local or ebay?

I bought it from garage sales
https://forum.lowyat.net/index.php?showtopi...=bluetooth+obd2

Any SA from seremban?

Interested in getting executive Ancap model.

Alright Thx again for this info, really appreciate

So what is the best driving method for driving in the city? I've tried my best to keep the car under 2000rpm. Yet my fuel consumption for a full tank is averaging 15L/100km

This post has been edited by Boy96: Apr 26 2014, 02:18 AM

i wouldn't wait until 5k RPM to shift in TIP mode.
the engine is screaming too loud already, asking for gear change

i started shifts on 2-3k RPM. Even so, I feel the ratio is rather short. it should be able to pull longer. Anyone can tap / readjust the ratio on the CVT?
so that it can with held longer without screaming like mad i mean

Hmm... Sa from PJ , selangor can ?