98 cavalier 2.2 liter

25

Asked by Nov 19, 2009 at 01:35 AM about the 1998 Chevrolet Cavalier

Question type: Car Customization

i just put on a turbo exhaust and gained 10hp, i am wanting to add a turbo but wondering what all i would need to do to the engine and computer to set the timing right

4 Answers

75

go to a dyno shop where they will do it 4 u at a price though. you would have 2 get a bigger camshaft/lifter kit. the lobes on the cam will have a bigger duration to open the intake valves more. have to get either a modded chip for the computer or buy a piggy-back ECU thats a plug and play system. Venom makes a decent control module 4 this kind of setup. tighter timing chain/belt. i mean unless ur doing a big hp build, theres no reason to worry about timing at all. with the stock internals alone and a decent size turbo, u make about 8-9 psi, ur set for about 292-303hp gain without any major upgrades. it doesnt really hurt anything at all honestly. in fact, there is a cavalier on youtube, same setup as urs, a year older, and it makes this theory true. look it up, type in cavalier on 8 psi and it will come up as a video of a dynomometer. actually the turbo spools up very beautifully.

1 out of 1 people think this is helpful.
75

my fault, on youtube type in skilz cavalier dyno, its the first vid.

1 out of 1 people think this is helpful.
145

this guy doesnt know what he is talkin about they make kits that cost 2500-3500, and have fuel upgrades and all the pipng and boltons to run a turbo and on that 2.2 you will pick up about 100hp with a super16G turbo boosting 9psi, that will bring your cavi upto a rated 220hp, but that car will lose power through the transmission, it will make about 200to the wheels

5

im not sure about boosting those ln2's, head flow is kinda crappy, and the rod/pistons arent tough enough for boost get an ecotec swap,sure it will cost more but youll get a way much higher hp gain

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