Jeep Renegade Tuning

"Thanks for reading this Jeep Renegade tuning guide."

The Renegade is a awesome car modification project to take up your weekends. We see car owners wasting money on their Renegade doing the wrong mods and then having to start over. Follow our pointers to avoid ruining your car

Tuning tips and articles

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

Handling/Suspension upgrades

Improving the handling for most drivers, is rated as a top priority mod in your Renegade tuning project.

Fully adjustable suspension allows you to fine tune the handling of you Renegade greatly benefiting your drive.

We would go to a maximum drop of 22mm - 41 mm. on most models. You risk handling compromises if you go lower than this.

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

Spending a little money on the right engine and handling parts will transform your car into a very credible performer.

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.

Tuning modifications.

These are the performance modifications are usually installed by our members, decide how far you want to go before you get going.

Getting the best performance upgrades for your planned usage of the car is a time and money saver. Stage 3 competition upgrades just won'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. 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: Remap, Panel air filter, Sports exhaust, Alloy wheels, Lighter flywheel, Suspension upgrade (drop 22mm - 41 mm.).

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

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

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

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

The exhaust and intake valve timings play a huge role in your cars power band, but be careful here, getting this wrong can upset the idle and make the car impossible to drive in traffic. You'd need to follow a cam upgrade with other mods and finish with a remap to fully realise your gains.

Don't forget to ramp up the fuelling when you are increasing the power - it makes the car more thirsty.

Most power losses, and erratic idling after tuning mods are done can usually be traced to fuel delivery or timing issues. Higher capacity injectors will enable you to supply sufficient fuel to the engine.

If you are increasing 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. Please note that WE DO NOT RECOMMEND INDUCTION KITS, unless you have tuned your car massively and are finding that the standard air intake has become a 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 largest exhaust you can buy this will reduce 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.

Getting a professionally ported and polished head with larger valves can fully maximise your power gains. In nearly all cases of Renegade tuning your clutch will start to fail and this needs to be uprated - read our guide on clutches for more information. The best mods in our experience for your Renegade are fast road camshaft, remap, induction and exhaust, suspension.

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

We've also come across some owners toying with twincharged applications and making some seriously high power gains.

Despite the large cost involved adding forced induction to a NA (naturally aspirated) engine will give large power gains. It is often easier to add a supercharger than it is to install a turbo. Turbos increase power in exponential proportion to rising engine speed and this can make mapping difficult.

The nice steady boost and rpm characteristics of the supercharger make them simpler to map. Decreasing the engines compression ratio will allow you to add forced induction, water injection may also help prevent detonation.

Alloy wheel upgrades.

Due to the fact that alloy wheels are less heavy they improve performance and they will help to cool the brake disks. Pay attention to your choice of tyres (tires) for your car, a good soft compound tire can really enhance your cars handling. The downside to large rims on your Renegade is that you alter your effective final drive ratio and this will have a negative effect on performance.

Although some people have installed larger rims we would restrict ourselves to a 18 inch rim size as the maximum.

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

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