What kind of power should I expect?

98 Firebird Formula WS.6 #384 / TSP smoke clear lid, ported maf, Bo White TB, Smoothe Bellows, LS6 Intake, Pacesetter LT, TSP y-pipe w/ freeflow cats, magnaflow catback, ported Patriot LS6 heads, 231.2/236 .592/.601 112 LS, spec 3 clutch, McCloud adjustible ms, BG Ram air, Motive 4.11 gears, hv oil pump, double roller timing chain. Now saving for 25% underdrive pullies and plan on a 125 wet shot. Then it will be tune time. What kind of power should I expect?

It's to hard to estimate bud. Different conditions, different tunes, there are different factors to the equation.

420-440 maybe? + the 125 shot of course

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Originally Posted by WS.6#384

420-440 maybe? + the 125 shot of course

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like N20LT4 said its too hard to guess -- but i would say you should be atleast 420rwhp if you add the 25%UDP and have a real good tune. Maybe more.