Perodua Myvi Tuning

"Thank you for reading our Perodua Myvi tuning article."

The Myvi is a good car modification project to play with. With the right mods your Myvi 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 disappointment.

A small light car like this will already feel quite lively, even with only modest mods and power upgrades.

Tuning tips and articles

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


Myvi Handling/Suspension upgrades

Improving the handling for most drivers, is rated as a top priority mod in your Myvi tuning project.

Fully adjustable suspension allows you to fine tune the handling of you Myvi dramatically benefitting your drive.

Drop the car optimally somewhere in the region of 21mm - 35 mm and fit performance stiffer dampers, bigger drops will need other modifications in most instances.

A nice wide torque band and sweet spot of peak power at one third of your RPM range is optimum.

Following our tips for modding your Myvi you will make a practical but hot car that will potentially show up bigger cars.

Sadly with smaller 1.0 engine sizes, you are generally wasting your time, spending money on modifications that will only make you a small power gain, so if this applies to you get yourself an engine swap then apply the following mods.

Best Myvi Engine Tuning Mods.

These are the uprated modifications that are usually fitted by our members, decide how far you want to push your car before you get started.

Engine swaps are always a good option, as mentioned, and the Diahatsu YRV shares the Perodua's K3-VE and the K3-VET, a turbo engine will take power to a phenomenal 140ps, which in such a light car will make a large difference.

Getting the best performance parts for your planned usage of the car is vital. Stage 3 (competition) mods just won't work well on the road difficult in stop start traffic.

First generation (M300; 2005)

  • 1.0 L EJ-VE I3
  • 1.3 L K3-VE I4

Second generation (M600; 2011)

  • 1.3 L K3-VE I4 (petrol)
  • 1.5 L 3SZ-VE I4 (petrol)

Third generation (M800; 2017)

  • 1.3 L 1NR-VE I4 (petrol)
  • 1.5 L 2NR-VE I4 (petrol)

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Best Engine Mods for your car

  1. Mapping - remapping provides the most advantage in terms of cost savings,  aftermarket ECUs, and piggyback ECUs are all alternatives.
  2. Fast road cams are one of the most significant mechanical changes, but they must be installed by someone who knows what they're doing and they are not always easy to source but you might find a local firm to regrind a stock camshaft.
  3. Intake and Exhaust - Note that on their own these mods will NOT ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction.
  4. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. It is one of the most costly upgrades but provides the best gains.
  5. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence.

Typical stage 1 mods often include: Suspension upgrade (drop 30-40mm), Remap, Panel air filter, Alloy wheels, Lighter flywheel, Sports exhaust.

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

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

Your targets when modding the engine should be a nice flat torque output. You don't want all the power to be at the top end of the rev range unless you are creating a competition car.

In this article, we shall give your a good starting base for the best upgrades for your car, but we'd encourage you to spend some time on the site looking into the details of each type of performance upgrade. Fast road cams offer one of the biggest power gains for your money as far as a single uprated modifications goes on a NA (naturally aspirated) engine.

The intake & exhaust durations play a large part in your cars power band, but be careful here, getting this wrong can upset the idle and make the car hard to drive in traffic. You'd need to follow a cam upgrade with other mods and finish with a performance chip to fully release the power gain.

When pushing up the power you will need to uprate to the fuelling. More power needs more fuel.

If you find you suffer from flat spots and power surges after your motorsport parts you should check the fuelling and try a higher octane fuel as well. To get sufficient fuel you may need to uprate 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.

Myvi Intake and Exhaust Tuning.

Now we move on to the intake and exhaust and ensure proper flow through the engine. Please note that WE DO NOT SEE IMPROVEMENTS WITH INDUCTION KITS unless you have tuned your car extensively and are finding that the standard air intake has become a restriction.

Derestricting the airflow into the engine is the primary part of tuning so get a freer-flowing air filter if you find that the car is running lean only if you find the car is running lean. Induction kits can sound fun but due to the warm air in the engine bay they will not really increase power and more often than not rob you of power.

Do not go with the biggest exhaust you can buy this will slow the exhaust rate - the best for power gains are usually between 1.0 to 2.0 inches. It is the shape and material more than the bore size.

Getting the cylinder head polished and ported will allow you to get more air into each cylinder. This is definitely a job for a pro with a flow bench. A good multi plate fast road upgraded clutch will help to keep that power going where it should. Never make false economies or assume your standard OEM clutch to cope. The best mods in our opinion for your Myvi are fast road camshaft, remap, induction and exhaust, suspension.

Remaps offer big power gains on all turbo charged cars. On NA (naturally aspirated) engines the benefits are doubtful. However a remap on a NA (naturally aspirated) engine will help unleash the potential if you have done a lot of mods. Aftermarket ECUs are the way to go when mapping can't be carried out on your engine, or there are no specialists in your regional area.

We've also come across some owners experimenting with twincharging applications and making some very high power gains.

Adding forced induction will see phenomenal power gains but this is usually too expensive to be cost effective. It is generally simpler to bolt on a supercharger than it is to install a turbo. It is harder to map a turbo as the boost builds exponentially with rpm.

The nice directly proportional boost and rpm characteristics of the supercharger make them more straightforward to map. To cope with forced induction you will usually need to decrease the engines compression ratio .

Myvi Alloy wheel upgrades.

The benefits of alloys include lowering your unsprung weight and better brake cooling via the extra air flow they allow. Don't forget that your choice of rubber greatly affects your cars grip and handling. It is not worth compromising performance with cheap tyres when you can buy directional tread pattern performance tires. Large Myvi alloys can decrease performance. If you get big alloys you will be changing your final drive ratio.

Although some people have fitted larger wheels we would restrict ourselves to a 15 inch rim size as the maximum on the first generation models, and 16 on later iterations.

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 Myvi options in more detail with our Myvi owners. It would also be worth reading our unbiased Perodua tuning articles to get a full grasp of the benefits and drawbacks of each modification.

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