I want to put a superchager on my car, I was at the Paxton site, and they claim it will not harm your engine with stock parts, would it be a good investment for a stock engine, and what kind of power increase wil i get ? I basically know nothing about superchargers, but arent there two versions belt driven and gear driven, whats the diffrence ?

 

If it's properly tuned it can work just fine. Power-It depends on how much boost you will run.

It's a good idea to invest in some forged pistons.

Go for procharger or vertech instead of Paxton..

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GTA -89:Free flow muffler,dual 3" HF cats, Edelbrock headers, Vette heads, 1.52 RR 7/16, ZZ-9 cam, Big Mouth, AS&M LTB, ported plenum, 52 TB, MSD 6AL, TPIS level V prom, Mod .MAF, Superior shift-kit and some minor mods. and more to come!
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)

 

With an exhaust-driven turbo, I'd also invest in the best exhaust valves and seats you can get.

Industrial turbo-charged engines always have sodium-cooled exhaust valves. I'm not sure if they're much heavier than regular exhaust valves, but those valves are in there for a reason.

 

My understanding is the sodium filled valves are lighter. They have a hollow stem partially filled with sodium that melts and "splashes" inside the hollow stem transferring heat away from the head of the valve.

Rob_O