Proton Prevé Tuning

"Ta for reading our Proton Prevé tuning guide."

The Prevé is a awesome car tuning project to carry out. With the right mods your Prevé can be transformed into a fun car. Don't waste money, do your homework and follow our unbiased guides to each performance upgrade to avoid wasting money.

We examine Prevé tuning and report on the optimum upgrades. Proton Prevés great bases for a tuning project and with the optimum modified tuning mods you can definitely maximize your driving enjoyment.

 

Tuning tips and articles

Engine tuning Transmission tuning Care care Intake & exhaust mods Improve handling Forums

 

Handling/Suspension upgrades

Improving the handling for DIY mechanics first priority in your Prevé tuning project.

Setting a bit of negative camber on the wheels and around 1 to 1.7 degrees of toe in to improve stability or toe out for better cornering, will dramatically improve your Prevé in handling and cornering.

We would go to a maximum drop of 29mm - 40 mm. on most models. You risk rubbing on the arches if you go lower than this.

Top end bhp should be your overall aim with a nice fat wide peak torque band.

Enjoy your Prevé to the limit with our hot modification articles - do the right mods in the right order.

Sadly with smaller engine sizes you are wasting your time spending money on modifications, so if this applies to you get yourself an engine swap then apply the following mods.

Engine Tuning.

These are the uprated modifications are usually fitted by our members, decide how far you want to go before you start.

  • 1.6 L CamPro IAFM+ DOHC I4
  • 1.6 L CamPro CFE DOHC i4 Turbo
  • 1.6 L CamPro CFE DOHC i4 Turbo

Getting the best performance upgrade kits for your planned usage of the car is essential. Stage 3 (competition) mods just don't work well on the road and will make the car undrivable.

Typical stage 1 mods often include: Remap, Suspension upgrade (drop 29mm - 40 mm.), Lighter flywheel, Sports exhaust, Panel air filter, Alloy wheels.

Typical stage 2 mods often include: Power/Sport clutch, Ported and polished head, fuel pump upgrades, Fast road cam, high flow fuel injector.

Typical stage 3 mods often include: Internal engine upgrades (pistons/head/valves), Sports gearbox, Engine balancing, Competition cam, Adding or upgrading forced induction (turbo/supercharger).

Your goal when modding the engine should be a flat and wide torque curve. You want to avoid sending all the torque to be at the top end unless you are creating a competition car.

The whole aim of our articles is to give a little insight into the world of tuning mods and point you in the right direction, our forum is best place to go if you need more detailed advice and tips on your tuning project, the best uprated parts and all aspects of modding cars.Fast road cams offer one of the biggest torque gains for your money as far as a solitary performance mods goes on a NASP engine.

It improves the intake and exhaust durations and pushes up the power if done right. Ideally you'd add other mods and finish up with a performance chip. We'd also caution you not to go with a motor sports profile cam as this affects the engines idling and general town driving characteristics.

Don't forget to pay attention to the fuelling when you are increasing the power - it makes the car more thirsty.

If you find you suffer from flat spots and surges after your uprated kits you should check the fuelling and try a higher octane fuel as well. To get sufficient fuel you may need to increase the injectors on your engine.

A fuel pump will only deliver a finite amount of fuel, so you may need to uprate this if your injectors are demanding more fuel.

Intake and Exhaust Tuning.

Now we move on to the intake and exhaust and ensure proper flow through the engine. Contrary to popular belief there is usually very little power gain got by fitting an induction kit, they only become beneficial and are recommended after you raise the engines power to the point where the standard air intake box cannot cope!

Maximum power gains come from a full induction kit with a cold air feed on heavily tuned engines, this can be sited within an air box but a performance panel filter should suffice for most applications. TorqueCars suggest you use a panel air filter as these are easy to clean and maintain and generally perform better than paper ones.

Do not go with the widest exhaust you can find this will reduce the exhaust flow rate - the best exhausts for power gains are usually between 1.5 to 2.5 inches. It is the shape and material more than the bore size.

Airflow through the head can be dramatically increased with some professional gas flowing. These should match and be setup to take into account any other engine mods. In nearly all cases of Prevé tuning your clutch will start to slip and this needs an upgrade - read our tips on clutches for more information. The best mods we would do for your Prevé are fast road camshaft, remap, induction and exhaust, suspension.

Turbo engines are just pleading to be remapped. You will see massive power gains on most modern turbocharged cars including diesels making a remap one of the most cost effective and massive modifications for your money.

We've also come across some owners experimenting with twincharged applications and making some impressively high power hikes.

Despite the large cost involved adding forced induction to a NASP engine will give large power gains. It is usually simpler to bolt on a supercharger than it is to fit a working turbo. It is difficult to map fuelling with a turbo as the boost builds exponentially with revs.

It is easier to map a supercharger because the boost is proportional to engine speed on a linear curve. Decreasing the engines compression ratio will allow you to add forced induction, water injection may also help prevent detonation.

Alloy wheel upgrades.

Alloy wheels can help the brake cooling and are usually less heavy than the steel ones. Pay attention to your choice of tyres (tires) for your car, a good soft compound tire can really enhance your cars handling. Large Prevé alloy wheels can decrease performance. If you get big alloy wheels you will be changing your final drive ratio.

Due to this we would advise sticking to a maximum wheel size of 17 inches, although we know some of our members have gone larger than this with no problems.

If you would like to know more, or just get some friendly advice on Tuning your car please join us in our friendly forum where you can discuss Prevé options in more detail with our Prevé owners. It would also be worth reading our unbiased Proton tuning articles to get a full grasp of the benefits and drawbacks of each modification.

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