Originally Posted by MoonshineMattK
5 ÷ 4.11 = 1.219

1.219 x 6800 = 8,292


The reality is that there is a bunch of converter slip at the 1/8 with the current combo(about 2000rpm worth……..+/- 30%).

That situation should improve noticeably with the lower gears.

Mathematically, the 5.0 gear would still have the drive shaft rpm under 6k @112mph.

68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads