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 SWAP 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. The boost lets you spend gas like you had a much larger displacement engine… with all the power and lousy mpg that comes with that.Keep the car looking standard and remove the badges creating a sleeper! Running E85 and driving like I stole it, I get 22mpg. The car runs fine on 87 octane gas, a little better on higher octanes… but on E85 (85% ethanol 15% gasoline) it tops out at 206hp and 212 ftlbs of torque (sorry about the imperial units)ĭriven with a light foot and a little care, I get a consistent 40mpg. I’ve then modified the car, putting in a larger diameter exhaust, larger intake, larger injectors, a flex fuel sensor, and clipped the turbocharger so it will spin faster. When you need to accelerate quickly, the tiny turbo brings the boost up fairly rapidly and you’ve got substantially more power than the 1.8 could ever give. Normal driving you don’t really get into boost at all, and get the benefit of a smaller engine. You see the same two engines in the more popular Chevy Cruze, with the same results. The car generally has more power available, but spends less fuel most of the time, compared to the NA 1.8L engine. I drive a 2012 Sonic with the 1.4L Turbo engine. Hopefully more advanced turbos and technologies are implemented when the game is finished I agree that the 1.4L feels faster from 2000 RPM upwards but it’ surely slower from stop and uses more fuel on traffic jam. Don’t you worry, I know the basic concept of torque vs horsepower.
The 1.8 L is supposed to be naturally aspirated. You guys are right about the turbos in Automation though, it is but the simplest variant that is available right now, so I don’t think it’s even possible to compare Automation’s turbo-engine figures to modern turboed engines. Also take a look at the Power/Torque video I made a while back, if you haven’t seen it yet: youtu.be/vX8wlkSDwSY Well, one thing you should not forget though is that the turbo engine you built there will give the car significantly better performance than the larger NA version because of the convex torque curve - just put them into a test car to try them out.
Ahh, I was getting confused by the “And here’s the 1.8L turbocharged” note above the picture when I glanced at the post.
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