Quote
5600 finish line 30" tire


Looks like about 12% slip........ which seems about right for an 8” converter, 4300lbs, running in that rpm range(it would slip less if the car were geared for the engine to run 6500-7000).

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