1600's and rear axle raito's
A lot depends on how your engine is set up. Where, in the RPM range, is max torque? I used a 5:12 with a GTA CR 5 spd and a 1600 with all the torque & Hp at high RPM. Milder cams let me go to a 4:56 and still launch the car relatively easily. I don't think with my seriously lightened flywheel I could get nice 1st gear launch with a 4:10. Again it all depends on how the engine is put together. If I used a 22 Lb flywheel, I might still be able to get off the line with a 4:10, but then it would chug and pop along until I got up on the cams at 3500 RPM or so. For rear axle expertise, contact Richard Jemison on this BB, (Alfar7) or Jack Beck @ Orion Motorsports in St. Louis. Both can, and have, built anything you might want.
Gordon Raymond
A lot depends on how your engine is set up. Where, in the RPM range, is max torque? I used a 5:12 with a GTA CR 5 spd and a 1600 with all the torque & Hp at high RPM. Milder cams let me go to a 4:56 and still launch the car relatively easily. I don't think with my seriously lightened flywheel I could get nice 1st gear launch with a 4:10. Again it all depends on how the engine is put together. If I used a 22 Lb flywheel, I might still be able to get off the line with a 4:10, but then it would chug and pop along until I got up on the cams at 3500 RPM or so. For rear axle expertise, contact Richard Jemison on this BB, (Alfar7) or Jack Beck @ Orion Motorsports in St. Louis. Both can, and have, built anything you might want.