i have run both engines in my car...
75 duster 3000 stall, 3.23 gears, used same set of 452 heads 84-86 cc open chamber, and 69 c-body hp manifolds on both engines, torquer intake portmatched and 650 double pumper on both 1 in spacer, dual 2.5 exh. and heres the differences and fastest times in...