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thinking of going turbo,need advice

This is a discussion on thinking of going turbo,need advice within the Forced Induction forums, part of the LSx Technical Help Section category; i have already been building my car on a different route,it has trick flow 220 heads milled,street/strip cam,and a fast ...

  1. #1
    Member BRANDON's Avatar
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    black with silver stripes
    2001 trans am ws6

    thinking of going turbo,need advice

    i have already been building my car on a different route,it has trick flow 220 heads milled,street/strip cam,and a fast 102,question is would i be able to put a turbo to this set up or would it require different heads and cam?

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    pewter
    2002 ws6 trans am

    Your heads would probably be ok, need more info on the cam

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    Former Mopar Man 2002ssslp's Avatar
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    Silver & Blue
    02 Camaro SS, 04 GTO

    Do you have a spec card on the cam you are going to use and what is your CR ?
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

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    Member BRANDON's Avatar
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    black with silver stripes
    2001 trans am ws6

    My heads are milled to 61cc, with the stock graphite gaskets my cr would be around 11.1 but I have the metal gaskets so I'm not sure how much that would change the cr, my cam specs are 228/230 .588/.592 112 lsa

  5. #5
    Former Mopar Man 2002ssslp's Avatar
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    Silver & Blue
    02 Camaro SS, 04 GTO

    If you are going to run more then 6psi of boost you may want to think about O-Ringing the block. 11.1 is a little high for a turbo or supercharged vehicle on the street if you want it to be reliable. I know some people out there who love uber HP will say " I'm running my WS6 with 12.5 CR with a supercharger set at 15 psi on 87 octane Quick Check gas and it runs great " Sorry guys, not going to happen. also, Forged pistons and Moly rings are a must. Good luck.
    BTY, the cam specs look fine for what you are doing. Just watch out for valve to piston clearance with that CR. What ratio rockers are you using ? I would not use anything over 1.7

  6. #6
    Member BRANDON's Avatar
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    black with silver stripes
    2001 trans am ws6

    Rockers are 1.7 yella Terra's, thanks for the info that's what I was trying to figure out is if I would have to pull the motor for upgrades or just bolt the turbo on, I knew that if I could bolt one up without upgrading internals and such that I wouldn't be able to push much boost, sounds like it would be better to start fresh, get a bare block and build it just for the turbo set up, I just didn't want to get rid of my heads and have to pull the engine, guess ill just have to wait, good thing is the motor that's in my car now would be going into an s10 if I start fresh with a new one

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