Quote:
Originally Posted by oldman
I would be interested in 420 whp claim with heads / cam for 4th gen. What was you setup? I raced 4th gen for a long time, in fact from day one with LS1.com. Back then we could never really get past the 3" exhaust limit, I mean single of course. Yes I've seen all kinds including 4" and twin 2.5" ovals. So what exhaust were you running?
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Iron block 6.0 with ls3 top end. Custom grind cam, built by a local guy. Never seen dyno sheet but trapped 116. 3450lbs and 116 trap puts it in the 420 range.