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Thread: Upgrade From LS6 Heads?

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  1. #10
    Join Date
    May 2004
    Posts
    2,120
    My numbers suck! 360 rwhp and 370 rwtq were the last but that's with 1 5/8" primary headers and I didn't have time to tune that day. Now I've retuned and as soon as I put my headers on I'll dyno again. I'm hoping to put down 425 - 450 rwhp and then I'll put the magnacharger on.
    Last edited by NITROUS; 03-30-2008 at 01:39 PM.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

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