MG MG HS Tuning

"Tuning guide to the greatest MG MG HS modifications."

The MG HS is a good tuning project to try. Take your time and research MG HS tuning to spare yourself making the usual disastrous errors we typically see.

The MG MG HS have loads of potential and with the best performance upgrades like ECU maps, turbo upgrades and camshafts you will maximize your driving pleasure.

We shall examine the options for your MG HS tuning and show the ultimate upgrades.

Handling/Suspension upgrades

Improving the handling for many people first priority in your MG HS tuning project.

Good suspension tweaks that substantially improve handling for the MG HS include a couple of degrees negative camber and 1-1.5 degrees of toe in or out on the front wheels. Toe in for stability, or Toe out to improve cornering. It would also pay to improve the brakes, by adding larger discs and or higher friction pads..

We would go to a maximum drop of 23mm - 41 mm. on most models. You risk grounding out if you go lower than this.

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

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.

Power mods.

Typically these tuning parts are usually installed by our members, decide how far you want to push your car before you get going.

Getting the best tuning upgrades for your planned usage of the car is a time and money saver. Stage 3 motor sport mods just don't work well on the road and will make the car undrivable.

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: Alloy wheels, Lighter flywheel, Sports exhaust, Panel air filter, Suspension upgrade (drop 23mm - 41 mm.), Remap.

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

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

Peak power is all well and good but for a daily driven car you need a long power band and perhaps extending the rev range.

The point of our hints is to give a limited introduction of car 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 sport modifications and all aspects of modding cars.Fast road cams offer one of the biggest torque gains for your money as far as a single performance mods goes on a NA (naturally aspirated) engine.

It improves the intake and exhaust durations and increases the power if done right. Ideally you'd add other mods and finish up with a reflashed ECU. We'd also caution you not to go with a competition cam as this upsets the engines idling and general town driving characteristics.

You will need to ensure that the engine is not starved of fuel so will need to pay attention to the fuelling.

Using higher octane petrol is another option if you find you are suffering from pinking or premature ignition on your MG project after fitting other modified modifications. To get sufficient fuel you may need to increase the injectors on your engine.

Uprate the fuel pump to cope with the extra fuel requirements of your tuned MG HS's uprated injectors.

Intake and Exhaust Tuning.

Now we move on to the intake and exhaust and ensure proper flow through the engine.  Induction kits will only help to increase performance if your air intake is struggling! Adding an induction kit to most stock engines will see NONE OF A 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 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 buy this will slow the exhaust rate - the best 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 flowed (porting and polishing). These should match and be setup to take into account any other engine mods. In nearly all cases of MG HS tuning your clutch will start to complain and this needs an upgrade - read our article on clutches for more information. The best mods we would do for your MG HS are fast road camshaft, remap, induction and exhaust, suspension.

Turbo engines are just begging to be Reprogrammed. You will see significant power gains on most modern turbocharged cars including diesels making a tune/remap one of the most cost effective and significant modifications for your money.Despite the large cost involved adding forced induction to a NA (naturally aspirated) engine will give large power gains. It is generally easier to bolt on a supercharger than it is to fit a working turbo. With a turbo the boost curve is related exponentially to the engine speed making it harder to map.

It is easier to map a supercharger because the boost is directly proportional to engine speed on a linear curve. To cope with forced induction you will usually need to decrease the engine compression ratio .

Alloy wheel upgrades.

Because alloy wheels are lighter they improve performance and they can help to cool the brake disks. 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 track legal slick performance tires.Large MG HS alloys can decrease performance. If you get big alloys you will be changing your final drive ratio.

Because of this endeavour to keep the overall rolling diameter of the wheel the recommended OEM sizes. In all cases avoid going bigger than 18 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 MG HS options in more detail with our MG HS 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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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 MG. 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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