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throttle body, spacer, msd coil packs

 
flako2005
I love my Chevy Chevette!
Posts: 1
Joined: 08/11
Posted: 08/01/11 06:51 PM

will putting a 80mm throttle body, spacer, and msd coil packs help me gain some horsepower with out going too expensive on performance parts...if so do yall know of a better and economical way to increase some hp on my 2005 chevy silverado 5.3  

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00-Z71
I love my Chevy Chevette!
Posts: 3
Joined: 07/12
Posted: 07/06/12 04:41 PM

I know you can get a small gain of HP from a cold air intake and exhaust system. I've also heard of people swapping out their cam's with a Z06 cam. I don't know if the cams are a straight swap or not as I've only ever heard people talk about it. What's the benefit in putting a throttle body and spacer in?  

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Scott Parker
Moderator
Posts: 217
Joined: 12/07
Posted: 07/11/12 06:57 AM

A throttle body would definitely pick up a few ponies, but I'd have to agree that a camshaft would be a better investment. A used LS2 or LS6 cam and valvesprings would be a substantial improvement and fairly economical. The 5.3L comes with a tiny 190/191 duration cam, the LS2 comes with 207/217 and the LS6 has 204/218 with more lift too.  

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