I reckon my 440 rb with MCH ported heads, flat tappet cam and 12.6.1 comp, makes an honest 600 hp. The same short block with mild port stage 6 heads dyno'd at 630 hp in Cudadon's car and he ran as quick as 9.92 at 3100#. 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