Peugeot 107 Tuning

"Ta for reading our Peugeot 107 tuning guide."

The 107 will for many be their first car and it is relatively cheap to buy, insure and run so ticks all of the sensible boxes.

But after a while of living with the 107 people wonder if they can add more power or improve the handling, and we will look at your options for modding and upgrading your 107.

A small light car like the 107 doesn't need much to pep up its performance but a lot of the common mods like induction kits and exhaust will not make any difference to your power as we shall see later.

The 107 is an awesome project car to fill your spare time. If you do your homework then you can create an awesome 107 but don't be fooled there are lots of parts out there that will simply not suit it read our unbiased guides first.

Tuning tips and articles

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

Notes for tuning your 107

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

Following our guidance for modding your 107 you will create a practical but hot car that will potentially show up bigger cars.

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.

You must choose your mods wisely though, we frequently hear of 107 owners who have lost all low down power, experience misfires or flat spots and have starting problems after they have added the wrong mods.

We'll look at the best mods for your 107 and blow a few of the commonly held myths out of the water allowing you to focus on the mods that will really make a difference to your performance.

Our aim in 107 engine tuning should be to increase peak power and Torque at the top end.

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 getting yourself an engine swap installed then apply the following mods.

This list of the stages and mods that are usually performed by our members, decide how far you wish to go in your tuning project before you begin.

107 Handling/Suspension upgrades

The little 107 is a favorite project car. It's generally cheap to insure and popular with young drivers and as a result of this, there are lots of performance parts around for them.

Many 107 owners uprate the handling of their cars with Coilover suspension kits as a priority, this will certainly increase your enjoyment of the car. You can turn your 107 into a nippy GTi version just by tweaking tehs suspension settings a little.

If you set the toe out to between 0.5 to 1.5 degrees on the front, and add some negative camber then cornering will greatly benefit.

Drop the car optimally somewhere in the region of 28mm - 39 mm. and fit uprated stiffer dampers, bigger drops will need other modifications in most instances.

For greatly enhanced braking fit better high friction brake pads and match this with better brake discs.

Please note that motorsport pads can grind and will have to be hot before they are effective.

In every day driving the brakes are only applied now and then so will not stop you as well so choose brake pads which have a low working temperature.

107 Power mods.

These mods sports parts are usually fitted by our members, decide how far you want to go before you begin.

Getting the correct grade of uprated modifications for your planned usage of the car is essential. Stage 3 motor sport parts just don't work well on the road difficult in stop start 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: Remap, Panel air filter, Suspension upgrade (drop 28mm - 39 mm.), Lighter flywheel, Sports exhaust, Alloy wheels.

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

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

Polishing and porting the head will allow you to maximize your air/fuel charge. the biggest difference generally being a 3 or 5 angle valve job, which greatly improves bottom end torque on all 107 petrol variants.

Leave this to a professional though with a proper flow bench and machine tools In nearly all cases of 107 tuning your clutch will start to complain and this needs an upgrade - read our overview on clutches for more information. The best mods that we recommend for your 107 are a tune/remap especially on a turbo, a fast road camshaft and sports exhaust, with a good air intake.

Remaps offer big power gains on all turbo charged cars. On NA (naturally aspirated) engines the benefits are doubtful. However a chipped ECU on a NA (naturally aspirated) engine will help unleash the potential if you have done a lot of mods. The most phenomenal power gains for NA (naturally aspirated) engines usually involve the addition of forced induction. Superchargers are often easier to add than a turbo. Turbos provide boost in exponential proportion to rising engine speed and this can make mapping difficult.

Superchargers, however will give a boost which is correlating to engine speed so is easier to map. Adding forced induction will generally require a lower compression ratio or water injection.

You need to keep as much low end torque as you can and aim for a wide power band across the rev range rather than a narrow top end power spike.

In this article we shall give a brief overview to the best performance parts for your car, but we'd encourage you to spend some time on the site looking into the details of each type of performance mod.A fast road cam will be one of the best NASP power mods you can do with a single part fitted to your engine.

It improves the intake and exhaust flow and increases the power if done right. Ideally you'd add other mods and finish up with a remap. TorqueCars would caution you not to go with a motor sport cam as this upsets the engines idling and general town driving characteristics.

Improve the fuelling on your 107

You will need to ensure that the engine is not starved of fuel so will need to look at the fuelling. A fuel pressure boost valve improvement will give quicker throttle responses.

If you find you have flat spots and power surges after your upgrades you should check the fuelling and try a higher octane fuel as well. To get sufficient fuel you may need to increase 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.

107 Intake and Exhaust Tuning.

Now we move on to the intake and exhaust and ensure proper flow through the engine. 

Contrary to popular belief there is generally a small if any power gain to be had by fitting an induction kit, they only help and are recommended after you raise the engine's power to the point where the standard air intake box cannot cope!

For most 107 engines TorqueCars would suggest you just go with a washable panel air filter. On heavily tuned engines and turbo vehicles, an induction kit will help release the power providing you address the problem of needing cold air.

Do not go with the largest exhaust you can find this will reduce the exhaust flow rate - the best for power gains are usually between 1 to 2 inches. It is the shape and material more than the bore size.

107 Alloy wheel upgrades.

The benefits of alloy wheels include reducing your unsprung weight and more efficient brake cooling via the extra air flow they allow. Pay attention to your choice of tyres (tires) for your car, a good track legal slick tire can really enhance your cars handling. Large 107 alloys can decrease performance. If you get big alloys you will be changing your final drive ratio.

With this in mind we would advise sticking to a maximum wheel size of 16 inches, although we know some of our members have fitted larger wheels with no problems.

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 107 options in more detail with our 107 owners. It would also be worth reading our unbiased Peugeot tuning articles to get a full grasp of the benefits and drawbacks of each modification.

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One Response to “Peugeot 107 Tuning”

  1. Andy pattullo says:

    ive found performance airfilters reduce power.even ones fit in standard airbox. best modification.. elimates flat sports . is drill hole right hand side of air box… source a inlet tube . of donar car.. block up orginal intake .this is part of rocker gasket and heats up… cold air draw from battery side .

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