i thought i heard them say they used a hydraulic roller in both with the same grind, maybe i heard wrong.
That's what I heard. It peaked my interest as I have a hydraulic roller in my 511, although I have changed to solid rollers. I was very suprised at their results. Also, I thought I heard them say that the 440 had a forged piston.
Disclaimer: My hearing isn't the greatest.
74 Challenger, bought it new. In 1978 I replaced the original 318 with a 446 and 727. Mild cam, Jardine headers, and Holley Sniper EFI. New engine! 511" RB, Edelbrock Performer RPM heads, Eagle rotating assy, Comp hyd roller cam, Doug's 2" headers.
