Turbo engines are just begging to be remapped. When you heavily modify your Sonic you will discover that the standard clutch starts to slip so get an uprated clutch. Head work including a head port and polished and 3 or 5 angle valve job will really help to release the potential of the engine. It is the shape and material more than the bore size. Induction kits can sound great but due to the warm air in the engine bay they will not add noticeable power and actually rob you of power.ĭo not go with the widest exhaust you can buy this will slow up the exhaust flow rate - the best exhausts for power gains are usually between 1.5 to 2.5 inches. Contrary to popular belief there is usually very little power gain to be had by fitting an induction kit, they only work well and are recommended after you increase the engines power to the point where the standard air intake box cannot cope! Derestricting the airflow into the engine is a primary goal of tuning so get a better flowing air filter if you find that the car is running lean. The next area for modification is the intake and exhaust. 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.
Uprating the injectors is another beneficial modification and will deliver sufficient fuel. If you find you have flat spots and power surges after your modifications you should check the fuelling and try a higher octane fuel as well.
#Chevy sonic engine upgrades upgrade#
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 uprate the fuelling when you are increasing the power - it makes the car more thirsty.
The aim of this article is to give a little insight into the world of car tuning upgrades and point you in the right direction, our forum is best place to go if you need more detailed advice and tips on your project and all aspects of modding cars.The intake and exhaust durations play a large part in your cars power band, but be careful here, getting this wrong can upset the idle and make the car difficult to drive in traffic. You really 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. Typical stage 3 mods often include: competition cam,sports gearbox,Internal engine upgrades (pistons/head/valves),adding or upgrading forced induction (turbo/supercharger),Engine balancing. Typical stage 2 mods often include:fuel injector & fuel pump upgrades,Ported and polished head,power clutch,Fast road cam. Typical stage 1 mods often include:suspension upgrade (drop 30-40mm),alloy wheels,Panel air filter,sports exhaust,lighter flywheel,Remap.
Stage 3 (competition) mods just won't work well on the road making the car difficult to drive. Getting the correct grade of mods for your planned usage of the car is essential. The following modifications are usually performed by our members, decide how far you want to push your car before you get going. The more you start with the bigger the return on investment so engine swaps are good value mods for small engined cars. The best power gains come from larger engine sizes. Keep the car looking standard and remove the badges creating a sleeper!
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