The extra torque will increase the stall, especially on the 500, i'm suprised how low you shift with that cam, i shift at 62-300. How many runs were on the motor ? Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36