1) 451, 950 Quick Fuel, MP single plane, ported 452 iron heads, Comp cams solid roller XR292R, Ross pistons, 9.5:1 compression, Scat H-beam rods, 440 factory forged steel crank cut to 400 mains, HV oil pump, 3/8 pick-up, MP windage tray, stock 4 qt oil pan........588 lb-ft @ 4,600 rpm and 621 hp @ 6,100 rpm. March 3, 2006
2) 451, 850 cfm Mighty Demon, 383 single plane Victor intake, ported 906 iron heads, Racer Brown solid roller CCR-78/80, Ross pistons, 9.8:1 compression, Scat H-beam rods, 440 factory forged steel crank cut to 400 main size, HV oil pump 3/8 pick-up, MP windage tray, stock 4 qt oil pan..........555 lb-ft @ 5,800 rpm and 676 hp @ 6,800 rpm. August 4, 2007.
Both fun on the street, but not efficient with 4.89 gears and a 4-spd manual. Both had the '71 Road Runner sideways a lot.
