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How much gain have you seen?
Looking to do an underdrive pulley. How much rwhp and tq have you t bactully seen come from this mod.
Also has anyone swaped their ls6 intake for a ported fast 90 w/ a ls2 90mm tb. if so How much have you seen w/ this?
Thanks
Joe
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2002 Z06 402 w/ some bolt ons
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