Whats is worth 8 3/4 with suregrip, drum to drum, 3.91's

If your car is under 3,000 lbs. it’ll live a little while. Call it testing. Because for that level, it is ether a 9 or DANA.

A buddy of mine raced his all steel (except hood) ‘69 Dart with a 500 Indy headed stroker in the mid to low 9’s for two years before... BOOM!