Chevy sonic racing4/20/2023 ![]() We have a few brake upgrades, we have zinc coated Cross Drilled and Slotted Rotors and upgraded Power Stop Brake Pads, and we also have a 12” Front Brake Kit and a Rear Disk Conversion.įueling: We also have a few fueling upgrades. Oversteer will perform better around corners. This will stiffen the rear suspension by reducing the body roll in the rear which will promote oversteer instead of the understeer the car comes with. Next upgrade we recommend would be our Rear Sway Bar. Coil overs have a significantly reduced suspension travel so ride quality is reduced to have a manually adjusted ride height. Another option is just our Lowering Springs, or a set of Coil Overs. Suspension and Brakes: Best bang for the buck would be our Sonic Suspension Kit which is GMPP performance struts and ZZP lowering springs. Shifter cable clamp (stiffens shifter feel), Shifter Bushings (stiffens shifter feel), Lower and Upper Transmission Mounts (Lowers the amount of engine/trans movement during launches, and gear changes), the Clutch(the stock one has a terrible feel and wont hold very much power) and Flywheel (we sell an aluminum one, this will allow the engine to rev quicker and make more power). Transmissions and Driveline: Now the next mods can be done at anytime and are highly recommended. This is an improved design that will avoid having that problem again, as well as larger compressor and exhaust wheels for more power. The factory exhaust housing and wastegate can crack increasing turbo “lag”. ![]() Turbo: We offer a complete bolt in Big Wheel Turbo as well. Our low mileage Sonic picked up 10whp and 700 additional RPMs on the stock cams with our springs, so now it revs over 7000rpm. These cars valve float right from the factory a little over 6000rpms, and the more miles that are put on the factory valve springs, the earlier it will start to happen. Valve Springs/Retainers: You cant just keep turning the boost up for more power, at some point you will need to increase the RPM range of the engine. Plus the factory intake PCV fails quite often so this way you will have a new intake and new PCV valve. Each runner on the stock intake is blocked off, we remove the “wall” and gasket match each runner. Ported Intake Manifold: This is a great next upgrade after the above mods. Our air box draws cooler air with less restriction because it is not trying to silence the turbo. ![]() This just like exhaust will make more power and lower KR.Ĭold Air Intake: The factory airbox is engineered to draw in air, while keeping the turbo whistle quiet. We offer an intercooler kit that replaces the factory charge pipes and intercooler core with more high flowing and efficient pieces. Intercooler: These cars come with an intercooler from the factory, but it is restrictive and doesn’t cool very well. We offer these pieces individually and in our “ Exhaust Package” which is a complete turbo-back exhaust. First is the O2 Housing/Downpipe, Mid Pipe, then Secondary Cat Section (Cruze only), followed up by the Catback. These cars have a lot of components to the complete exhaust system. Our tune will completely change the power and feel of your 1.4 liter.Įxhaust: This will free up the flow of the exhaust so the engine can make more power and also expel heat so it actually helps reduce spark knock/preignition/ knock retard or “KR”. The PCM controls your fueling, timing, boost and when you have an automatic transmission, the shift points and shift firmness. ZZP 1.0 tune: The biggest bang for the buck is our 1.0 Tune. (read on for more details on these items) Now you can run 87 safely with these cars, but to do it safely, I would run the stock tune, but add our complete exhaust and intercooler kit. They are boosted engines, even stock, everyone should be running premium fuel. First I would like to start this with these cars are not ok running 87 octane.
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