If the car does not spin and then hook that rear end will be fine up twocents
I raced my 1969 Dart GTS with the same third member with 3.91 gears and posi with a 440 with a 727 that ran low elevens for many, many runs and it is still in the car running today with the 383 motor and 4 speed 833 NP tranny back in it shruggy


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)