Headers & Dyno sheets
08-04-2003, 03:14 AM
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Re: Headers & Dyno sheets Prior to the cam swap, my M6 1999 car using Grotyohann 1 7/8" LT's (now known as QTP) on stock heads did 333 RWHP, 331 RWT through an open cutout. Hope that helps.
08-04-2003, 11:40 AM
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Re: Headers & Dyno sheets 98 SS with minor bolt ons = lg lid, descreened maf, holley powershot, stock heads, slp hedders and through the hooker cat back made 327hp/339tq 
next mods coming this month are cam, ls6 intake, TSP programming, and pulley
next mods coming this month are cam, ls6 intake, TSP programming, and pulley 