Thanks for posting this Keith. This motor is not dissimilar to my motor, except i have over 12.5.1 comp and the .590 with iron 1.5 rockers. what sort of gains do you think you got from porting the intake ? 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
