The 400 is a stock bore stock comp 73 motor. 383 crank, full groove bearings, 516 heads (still with small exhaust valves) 480 lift 292 dur. cam, old TM6 intake, MP electronic ign. 750 eddie carb, 1 7/8 Hooker fenderwells, 2200 TCI conv. Turbo Action trans, Reverse valve body, 8 3/4 with 4:10's...