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    04' Mach 1 $$$ and ????

    I would build up the rear end. Put a full exhaust LT's O/R H-X, catback, CAI, 95MM MAF, Intake Spacer, Chip and a tune by someone who knows what they are doing.. All of that should net you around 335rwhp and around 340 or so wrtq.. All I have is a full exhaust system built rearend with 4.10's...
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    GT to Mach 1?

    LMGDAO that is funny.. Stock vs. stock I have beaten many LS1's and not one time did I loose to one that was stock.. The first time I lost to one it had many mods and a big stall with slicks.. I raced a full exhaust,cam, chip, lid, auto with a nice stall 2002 SS on the hwy the other day from 45...
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    GT to Mach 1?

    Well mine put down 290 rwhp and 311 rwtq so if you are still in the blind about them being under rated you do the math.. At 15% that would be 334fwhp and 357 rwtq.. They are only rated at 305 fwhp and 320 fwtq.. So that is about 30 fwhp&tq underrated.. If you still think you can hang come on...