Don't have low rpm numbers but 505 ci, OOTB Trick Flow 270 heads with 337 intake, 11.1:1 compression made peak 709 ft lbs at 4600 rpm.........


67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......