Originally Posted By TonyS451
I agree that there will definitely be some combos that need more gear than others. My engine is a 520 with good torque all the way around. Cam is a pretty mild 252@.050 hydraulic roller, and I have a 9 1/2" converter and 28" tire. It is a heavy car though at just over 4000 w me in it.


At over 4000 pounds the 3.55's will probably be the best choice for you Tony.

1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual