MG Maestro Tuning

"Thank you for reading this MG Maestro tuning guide."

Fantastic 2.0 engine and the turbo was insane, sadly there are few of these around today but good ones quite rightly command high prices.

The Maestro is a good car modification project to play with. With the right mods your Maestro can be transformed into an awesome motor. Don't waste money, do your homework and follow our unbiased guides to each performance upgrade so you don't waste your money.

The MG Maestro great bases for a tuning project and with the ultimate motorsport upgrades like a remap, turbo kits and camshafts you will dramatically maximize your driving pleasure.

We shall examine Maestro tuning and show the optimum mods that work.

Tuning tips and articles

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

 

Handling/Suspension upgrades

Handling modifications are often a priority for the Maestro.

We found that most Maestro factory suspension setups need tweaking, a few degrees of toe out for cornering or toe in for stability, 1-1.7, and a small amount of negative camber will often improve your cornering and handling.

Drop the car optimally somewhere in the region of 24mm - 41 mm. and fit sports stiffer dampers, bigger drops will need other modifications in most instances.

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

With the right choice of mods you can change your Maestro into a hot hatch, potentially beating more powerful cars on the track.

To be completely frank and honest, on the more modest 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.

Tuning modifications.

These are the motorsport mods are usually installed by our members, decide how far you wish to go in your tuning project before you get going.

  • MG Maestro 1600 (1983–1984)
  • MG Maestro 2.0 EFi (1984–1991)
  • MG Maestro Turbo (1989–1991)

Getting the best uprated mods for your planned usage of the car is vital. Stage 3 competition upgrades just don't work well on the road making the car difficult to drive.

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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: Alloy wheels, Panel air filter, Suspension upgrade (drop 24mm - 41 mm.), Sports exhaust, Remap, Lighter flywheel.

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

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

Peak power is good on competition cars but for a drivable and fun car you need a long power band and perhaps extending the rev range.

The whole aim of our guides is to give a starting base of car tuning mods and point you in the right direction, our forum is where you can ask for more detailed advice and tips on your tuning project, the best sport mods and all aspects of modding cars.Fast road cams offer one of the biggest performance gains for your money as far as a bolt on sports modifications 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 performance chip. TorqueCars would caution you not to go with a motor sport 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.

If you find you experience flat spots and surges after your sports mods 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.

Intake and Exhaust Tuning.

The next area for modification is the intake and exhaust.  Induction kits only help to add performance if your cars air intake is restricted! Adding an induction kit to most stock engines will see ZERO 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 Maestro engines you should go with a high performance panel air filter preferably made from cotton.

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

Getting a professionally ported and polished head with larger valves can fully maximise your power gains. A good multi plate fast road upgraded clutch will help to keep that power going where it should. Never make false economies or think that the standard OEM clutch to cope. The best mods in our experience for your Maestro are a remap especially on a turbo, a fast road camshaft and sports exhaust, with a good air intake.

NA (naturally aspirated) engines do not achieve big power gains if you remap them, unless you have done extensive modifications. With turbocharged engines this is another story. A remapped turbo will give big power gains and fully release the potential power of the engine.

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

Despite the large cost involved adding forced induction to a NA (naturally aspirated) engine will give large power gains. Turbos are often harder to add than a supercharger. With a turbo the boost curve is related exponentially to the engine speed making it more challenging to map.

Superchargers, however will give a boost which is correlating to engine speed so is easier to map. Decreasing the engines compression ratio will allow you to add forced induction, water injection may also help prevent detonation.

Alloy wheel upgrades.

The benefits of alloys include reducing your unsprung weight and more efficient brake cooling. We can't go into too much detail here about tires but they are how the car puts the power down on the road so are a critical choice. soft compound tires work well on Maestro, and make a big difference over budget tires. The downside to large alloy wheels on your Maestro is that you're altering your effective final drive ratio so this will have a negative effect on performance and acceleration.

Due to this try to keep the overall rolling diameter of the wheel the standard factory sizes. In all cases without going over 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 Maestro options in more detail with our Maestro owners. It would also be worth reading our unbiased MG tuning articles to get a full grasp of the benefits and drawbacks of each modification.

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