Quote:
Originally Posted by VADER SS L99
Those are obviously crank HP from a actual engine dyno. Engine dyno's don't have power robbing accessories like alt, steering, water, ect.. so a stock 430HP LS3 will make 470HP on a engine dyno. 7 HP from a FAST sounds right for a stock LS3. Like I have said for a long time, the FAST is no where near worth the money unless your sporting at least 416 cubes, a lot of cam and a lot of head flow.
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I know that these are crank HP numbers. I say "engine dyno" numbers in my original post.
So the question is, is the OP's enging L99 or LS3? Assume L99.
50 "CRANK" HP from a tune and a Fast IM on the L99 sounds more than unbelievable.