Don’t know but my ootb trick flow 270 heads on a 505 with a Dwayne Porter roller cam made 713 hp 709 torque. Car not done yet but will be a street/strip car.


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