I would change the cam to a good N/A set up with a 106 to 108 LSA (and degree it and change complete exhaust system with bigger primary pipes, 1 7/8 or 2.0 inch, with 3.5 collectors and a complete 3.0 system from the collectors back twocents
383 motors don't have a long enough stroke to make much tire spinning happen with decent tires shruggy


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