I doubt the 4.10 vs 3.89 gearing will have much affect on either the track ET or street performance, other than perhaps very light throttle cruising rpm being slightly lower.
The converter just slips more with that taller gears, so the speed vs rpm hardly changes.


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