![]() Now we move on to the intake and exhaust and ensure proper flow through the engine. To get sufficient fuel you may need to uprate the injectors on your engine.Ī fuel pump will only deliver a finite amount of fuel, so you may need to uprate this if your injectors are demanding more fuel. If you find you suffer from flat spots and power surges after your tuning kits you should check the fuelling and try a higher octane fuel as well. You will need to ensure that the engine is not starved of fuel so will need to uprate the fuelling. You'd need to follow a cam upgrade with other mods and finish with a performance chip to fully realise your gains. The intake & exhaust valve timings play a huge factor in your cars power band, but be careful here, getting this wrong can upset the idle and make the car hard to drive in traffic. The point of our hints is to give a starting base 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 car tuning project, the best uprated upgrades and all aspects of modding cars.A fast road cam is generally one of the best NASP power mods you can do mechanically to your engine. You want to avoid sending all the power to be at the top end of the rev range unless you are creating a competition car. Your aim when modding the engine should be a wide torque range. Typical stage 3 mods often include: Engine balancing, Sports gearbox, Internal engine upgrades (pistons/head/valves), Adding or upgrading forced induction (turbo/supercharger), Competition cam. Typical stage 2 mods often include: fuel pump upgrades, Fast road cam, Ported and polished head, high flow fuel injector, Power/Sport clutch. Typical stage 1 mods often include: Remap, Suspension upgrade (drop 21mm - 41 mm.), Lighter flywheel, Sports exhaust, Alloy wheels, Panel air filter.
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