Tuning the Nissan Versa
"Ta for reading my Nissan Versa tuning guide."
The Versa is a awesome project car to carry out. With the right mods your Versa can be transformed into a stunning project. Don't waste money, do your homework and follow our unbiased guides to each performance upgrade to avoid disappointment.
The Nissan Versa are awesome to work on and with the optimum tuning mods like a remap, turbo upgrades and camshafts you will substantially maximise your driving fun.
We shall detail the best approach to Versa tuning and point out the best modifications for your car.
Handling/Suspension upgrades
Many Versa owners uprate the handling of their cars with tuning suspension upgrades as a priority, this will certainly increase your enjoyment of the car.
Good suspension tweaks that often benefit handling for the Versa 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..
Drop the car by as much as 30mm - 41 mm. and fit modified stiffer dampers, bigger drops will need other modifications in most instances.
Don't just look at the peak power figures, you need to see the whole torque curve when determining if a mod is right for you Versa.
Sadly with smaller 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.
This list of the stages and sports modifications are usually fitted by our members, decide how far you wish to go in your tuning project before you begin.
Getting the right sports modifications for your planned usage of the car is a time and money saver. Stage 3 (competition) mods just won't work well on the road and will make the car undrivable.
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How to tune your car
- Improve the handling
Focus on Suspension improvements, such as coilovers and make sure the bushings are in good order and that the alignment is correct. Then focus on improving the brakes, with a big disk brake conversion kit and fast road brake pads.
- Remove restrictions
Focus on the intake and exhaust with filters being the common point of restriction in a tuned car. Intercoolers may also become restrictive on turbo engines so this may also need to be uprated.
- Burn more fuel & air
Increase the fuelling so it matches the air coming into the engine. The ratio is important so you need to improve the fuel pump and injectors, so the head mods, big valve conversions, fast road camshafts and forced induction upgrades extra supply of air is adequately met.
- Test and replace any weak parts
Weak areas are commonly the clutch, the turbocharger and pistons and crankshaft in a highly tuned engine. Makes sure these components will cope with your power aspirations.
- The Tune or Remap
A cars ECU controls the fuel, timing, spark and even the turbo in some cases, so to fully extract your gains you should remap the car last and this will fully release the power. Some cars are easy to map, and others require piggyback ECU's or aftermarket ECU's but this is the most vital step of your tuning project.
Modifying to Stage 1:
Panel air filter, Lighter flywheel, Remap, Alloy wheels, Suspension upgrade (drop 30mm - 41 mm.), Sports exhaust.
Modifying to Stage 2:
high flow fuel injector, Fast road cam, Power/Sport clutch, fuel pump upgrades, Ported and polished head.
Modifying to Stage 3:
Adding or upgrading forced induction (turbo/supercharger), Internal engine upgrades (pistons/head/valves), Sports gearbox, Engine balancing, Competition cam.
You should keep as much low end torque as you can and aim to get a wide power band rather than a narrow top end power hike.
The whole aim of our guides is to give a little insight into the world of car tuning upgrades and point you in the right direction, our forum is the place to go for detailed advice and tips on your modified car project, the best motorsport modifications and all aspects of modding cars.One of the best mechanical motorsport upgrades you can do on your NASP engine is to fit a fast road camshaft .
The intake & exhaust durations play a huge role in your cars power band, but be careful here, getting this wrong can upset the idle and make the car awkward to drive in traffic. You'd need to follow a cam upgrade with other mods and finish with a remap to fully release the power gain.
When pushing up the power you will need to ramp up to the fuelling. More power needs more fuel.
If you find you experience flat spots and surges after your uprated upgrades you should check the fuelling and try a higher octane fuel as well. Improved injectors will enable you to supply sufficient fuel to the engine.
Uprate the fuel pump to cope with the extra fuel requirements of your tuned Versa's uprated injectors.
Intake and Exhaust Tuning.
The next area for modification is the intake and exhaust. Air induction kits are only beneficial to increase performance if the cars air intake is restricted! Adding an induction kit to most small 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.
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.
Sports exhausts will certainly help air flow from the engine but do not go too wide or you may end up will reduce the flow rate. Stick to 1.5 to 2.5 inches for best results.
Airflow through the head can be dramatically increased with some professional head porting and polishing. These should match and be setup to take into account any other engine mods. Your clutch can slip as the power goes up if it starts to fail and the standard clutches are only ever good for power gains of up to 45%. Fit a competition clutch to avoid power leak through the transmission. The best mods we would do for your Versa are a remap especially on a turbo, a fast road camshaft and sports exhaust, with a good air intake.
Remaps offer massive power gains on all turbo charged cars. On NASP engines the benefits are doubtful. However a remapped ECU on a NASP engine will help unleash the potential if you have done a lot of mods.
We've also come across some owners playing with twincharged conversions and making some impressively high power hikes.
Despite the large cost involved adding forced induction to a NASP engine will give large power gains. Turbos are often harder to add than a supercharger. It is harder to map a turbo as the boost increases exponentially with revs.
It is easier to map a supercharger because the boost is directly proportional to engine speed on a linear curve. Decreasing the engines compression ratio will allow you to add forced induction, water injection may also help prevent detonation.
Alloy wheel upgrades.
Because alloy wheels are lighter they improve performance and they will help to cool the brake disks. If you are serious about performance then you will need to carefully choose your tires - ideally with a track legal slick tire. The downside to large alloys on your Versa is that you're altering your final drive ratio and this will have a negative effect on performance.
Due to this aim to keep the overall rolling diameter of the wheel the recommended OEM sizes. In all cases without going larger than 17 inches.
For more information on Tuning your car please join us in our friendly forum where you can discuss Versa options in more detail with our Versa owners. It would also be worth reading our unbiased Nissan tuning articles to get a full grasp of the benefits and drawbacks of each modification.
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