At your alt. I would consider a stroker with a supercharger. I don't care for turbos in a street combo. Would also make it easier to pass emissions.

70 Dart Swinger, 2850 lbs
SB 408, Bullet roller 264/268 @50 .636 SSDS stage 2 Edelbrock heads, 1 7/8 Headmans, 1050 dominator by Dom, 9.867 @ 133