Mitsubishi 3000GT Tuning

"Thank you for reading our Mitsubishi 3000GT tuning tips."

Tuning the Mitsubishi 3000GT and best 3000GT performance parts.

We consider 3000GT tuning and summarise the best modifications. Mitsubishi 3000GTs make awesome project cars and with the right sports parts you can greatly maximize your driving fun.

The 3000GT is a good project car to take up your weekends. The key to 3000GT tuning is doing it right you can waste loads of money if you do it wrong.

Tuning tips and articles

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

 

Handling/Suspension upgrades

Handling modifications are top of many to do lists for the 3000GT.

We found that most 3000GT factory suspension setups need tweaking, a few degrees of toe out 1-1.7, and a tiny bit of negative camber will often improve your cornering and handling.

We suggest that you fit sports suspension and lower the car by 26mm - 39 mm. Larger drops require arch work - especially on models already equipped with motorsport suspension.

Turning our attention to the 3000GT's engine we need to get a bit more power out of the top end.

Following our guidance for modding your 3000GT you will attain a practical but hot car that will potentially embarrass bigger cars.

The best power gains come from larger engine sizes. The more you start with the bigger the return on investment so engine swaps are good value mods for small engined cars.

Engine tuning mods.

The following modified kits are usually installed by our members, decide how far you wish to go in your tuning project before you get going.

Getting the right performance parts for your planned usage of the car is vital. Stage 3 motor sport mods just don't work well on the road difficult in stop start traffic.

Stage 1 mods: Remap, Panel air filter, Sports exhaust, Alloy wheels, Suspension upgrade (drop 26mm - 39 mm.), Lighter flywheel.

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

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

You need to keep as much low end power as possible and aim to get a long power band rather than a narrow top end power spike.

In this article we shall give a little insight into the world to the best modifications for your car, but we'd encourage you to spend some time on the site looking into the details of each type of performance part.One of the most cost effective mechanical mods you can do to your NASP engine is to fit a fast road camshaft .

The intake & exhaust durations play a huge factor 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 camshaft upgrade with other mods and finish with a remap to fully realise your gains.

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

Frequently power losses, and erratic idling after sports parts are done can usually be traced to fuelling or timing issues. To get sufficient fuel you may need to increase the injectors on your engine.

If you've uprated your fuelling with bigger injectors you will also need to get a bigger fuel pump to supply it.

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 performance if your air intake is restricted! Adding an induction kit to most low power 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.

Induction kits can work well on turbo engines and larger engines (if supplied with a suitable cold air feed or air box), generally though we'd just recommend for 3000GT engines you should just fit a sports panel air filter preferably made from cotton.

Sports exhausts can help balance the flow of air through the engine. But if your exhaust is too large, ie: it's over 2.5 inches bore, you will lose much of your flow rate and end up losing power and torque.

Head work including a head port and polished and 3 or 5 angle valve job will really help to release the potential of the engine. A good heavy duty fast road uprated clutch will help to keep that power going where it should. Never cut corners or ask a standard clutch to cope. The best mods that we recommend for your 3000GT 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 NASP engines the benefits are doubtful.

However a remap on a NASP engine will help unleash the potential if you have done a lot of mods. Adding forced induction will see impressive power gains but this is usually too expensive to be cost effective. Turbos are often harder to add than a supercharger.

With a turbo the boost curve is related exponentially to the engine speed making it harder to map.

The nice proportional boost and rpm characteristics of the supercharger make them simpler to map. Adding forced induction will generally require a lower compression ratio or water injection.

Alloy wheel upgrades.

Due to the fact that alloy wheels are lighter they improve performance and they help to cool the brake disks. Pay attention to your choice of tyres (tires) for your car, a good directional tread pattern tire can really enhance your cars handling.

The downside to large rims on your 3000GT is that you're altering your final drive ratio so this will have a detrimental effect on performance and acceleration.

Because of this endeavour to keep the overall rolling diameter of the wheel your OEM settings. In all cases without going larger than 18 inches.

For more information on Tuning your car please join us in our friendly forum where you can discuss 3000GT options in more detail with our 3000GT owners. It would also be worth reading our unbiased Mitsubishi tuning articles to get a full grasp of the benefits and drawbacks of each modification.

Please help us improve these tips by sending us your feedback in the comments box below.

We love to hear what our visitors have got up to and which mods work best for them on each model of car. Comments are used to improve the accuracy of these articles which are continually updated.

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