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what #s from this semi-radical M6?

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Old Mar 12, 2007 | 05:24 AM
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transamman400's Avatar
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Default what #s from this semi-radical M6?

i just bought a car (98 WS6) and have not yet had it dyoned. the previous owner bought it from the owner who bought it new and had these things done it it

Agostino Heads 296cfm @ .600 intake & 234 @ .600, Comp Cam XE-R 236/236 @.50 .602/.602 @.50 110LS, LS6 Intake, Ported TB, 30lb inj, Whisper Lid, Fast Toys Ramair, March underdrive pullies, Comp R lifters, Flowtech Longtubes, X-Pipe, Dynomax bullets dump @ axle with 3.42s

i am hoping around 430-445 rwhp and around the same torque? im sure im being optimistic with torque but if i got heads that flowed better (330+) would that help the torque numbers? what mods do you think could make a decent increase in low-midrange? just a guess but will estimate about 435 rwhp with 410 rwtq sound about right? Oh and what should i expect on the track?
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Old Mar 12, 2007 | 06:45 AM
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Originally Posted by transamman400
i just bought a car (98 WS6) and have not yet had it dyoned. the previous owner bought it from the owner who bought it new and had these things done it it

Agostino Heads 296cfm @ .600 intake & 234 @ .600, Comp Cam XE-R 236/236 @.50 .602/.602 @.50 110LS, LS6 Intake, Ported TB, 30lb inj, Whisper Lid, Fast Toys Ramair, March underdrive pullies, Comp R lifters, Flowtech Longtubes, X-Pipe, Dynomax bullets dump @ axle with 3.42s

i am hoping around 430-445 rwhp and around the same torque? im sure im being optimistic with torque but if i got heads that flowed better (330+) would that help the torque numbers? what mods do you think could make a decent increase in low-midrange? just a guess but will estimate about 435 rwhp with 410 rwtq sound about right? Oh and what should i expect on the track?
It should be above 400 but you wont know until you get there, as for peak#'s with the heads, the best ive seen a LS6 intake flow on the intake side was like 265cfm @ 600", meaning you heads when bolted to the intake can only flow that much. I bet you would see a gain with a FAST LSX intake with 90mm tb.
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