Torque is what I'm after, is there really a huge difference in just 55 cubic inches? I think this thread helped me decide to do the 455.
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1999 Trans Am Ws6 Slp Lid, K&N, Smooth Bellows, Ls6 intake, Spec Clutch, Spec Alum. Flywheel, Spintech Cat back.
1970 Firebird Esprit 455 Pro Street project
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