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i ran 12.87@107 n/a with a pi swap and modmax stage 2 cams. stock bottom end. cold air pipe. 75mm throttle body and plenum. shorty headers. prochamber and catback. and 4.30 gears.
yea i ran 4.30's with the old setup because the cams only pulled to like 6000rpms. well now i have ported heads and crower stage 3 cams. 590/601 lift. it pulls up to 7000rpms so i had more rpms to play with so i got 4.56