Perodua Aruz Tuning

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The Aruz is a good tuning project to play with. We see loads of people wasting money on their Aruz doing the wrong mods and then having to start over. Follow our advice to avoid making the common mistakes

Handling/Suspension upgrades

Handling modifications are usually your first port of call for the Aruz.

If you set the toe out to 1 to 2 degrees on the front, and add a bit of negative camber then cornering will substantially be enhanced.

We suggest that you fit performance suspension and lower the car by 24mm - 38 mm. Larger drops require arch work - especially on models already equipped with performance suspension.

Top end power should be your overall aim on the Aruz with a nice fat peak torque band.

Smaller engines do not provide much of a return in terms of power so start with a bigger engine. Engine swaps are a good option if you have a small engine size.

Engine Tuning.

These mods modified parts are usually carried out by our members, decide how far you want to push your car before you begin.

Getting the correct grade of performance upgrade kits for your planned usage of the car is essential. Stage 3 (competition) mods just don't work well on the road hard to control in slow traffic.

Please watch our video which covers the 5 principles of tuning your car. Be sure to keep up with our latest YouTube content and subscribe.

Best Engine Mods for your car

1. Engine Tunes - engine tuning/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), Sports exhaust, Lighter flywheel, Engine Tunes/Remapping, Panel air filter, Alloy wheels.

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

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

You really need to keep as much low end torque as you can and aim to achieve a long power band rather than a narrow top end power hike.

The whole aim of our guides is to give a brief overview of tuning performance parts and point you in the right direction, our forum is where you can ask for more detailed advice and tips on your modified car project, the best uprated upgrades and all aspects of modding cars.Fast road cams offer one of the biggest power gains for your money as far as a single tuning parts goes on a NA (naturally aspirated) engine.

It improves the intake and exhaust flow and pushes up the power if done right. Ideally you'd add other mods and finish up with a reflashed ECU. TorqueCars would caution you not to go with a competition cam as this affects the engines idling and general town driving characteristics.

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

Frequently power losses, and erratic idling after uprated parts are done can usually be traced to fuel delivery or timing issues.Upgraded injectors will enable you to supply sufficient fuel to the engine.

Uprate the fuel pump to cope with the extra fuel requirements of your tuned Aruzs uprated injectors.

Intake and Exhaust Tuning.

Now we move on to the intake and exhaust and ensure proper flow through the engine. Air induction kits only help to add power if the cars air intake is struggling! Adding an induction kit to most standard engines will see NO LOW END POWER GAIN AT ALL. If you have heavily modified your engine and it's need for air INCREASES DRAMATICALLY then an induction kit is the answer and will help remove this restriction.

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 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 biggest exhaust you can get this will slow up 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.

Head porting and polishing the head will allow you to maximise your air/fuel charge. Leave this to a professional though with a proper flow bench and machine tools Your clutch can fail as the power goes up if it starts to break and the standard clutches are only ever good for power gains of up to 40%. Fit a performance clutch to avoid power loss through the transmission. The best mods we recommend for your Aruz are Remapping or piggy back ecu, fast road cam and air intake and exhaust.

Remaps offer impressive power gains on all turbo charged cars. On NA (naturally aspirated) engines the benefits are doubtful. However a tuned/remapped ECU on a NA (naturally aspirated) engine will help unleash the potential if you have done a lot of mods.

We've also seen some tuners toying with twincharged applications and making some impressively high power figures.

The most impressive power gains for NA (naturally aspirated) engines usually involve the addition of forced induction. Superchargers are often easier to add than a turbo. It is harder to map a turbo as the boost comes on exponentially with rpm.

The nice directly proportional boost and rpm characteristics of the supercharger make them easier to map. Alternatively you could perhaps fit water injection to reduce the risk of knock.

Alloy wheel upgrades.

The benefits of alloy wheels include reducing your unsprung weight and better brake cooling via the extra air flow they allow. Further improvements can be made to your cars handling with the addition of track legal slick tire. It is worth noting that although they can look cool on the Aruz large alloys will actually decrease your performance. The larger you go the lower your acceleration will be - this to the change in your effective final drive ratio.

With this in mind endeavour to keep the overall rolling diameter of the wheel the OEM setup. In all cases avoid going larger than 16 inches.

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 Aruz options in more detail with our Aruz 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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This article is flagged for an update, so please pass on specific tips below that I can include. All articles, and content was written by me, Waynne Smith TorqueCars founder. Some outlines are just too general so I appreciate your feedback and suggestions. This entry was filed under Perodua. You can leave a response below or join our forum to discuss this article and car modification in detail with our members.

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