Got me worried now Lol, my 470 dyno'd at 630 hp, since then i've milled .040 off the head and changed .060 gaskets for .040 so maybe 650 hp, might go slower than my old 600hp combo. 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
