Originally Posted by fast68plymouth
C’mon Don.......”extremely optimistic”?

What should it make?


My W5 motor made a “ true” 640, based on 135 mph@3350. 13.3 compression, 273@50 roller, “ big” headers, victor, etc, etc.
If this motor is around 10 to 1 with that street roller i would suspect 540 -550 true Moroso power. That would be my guess as optimal

Last edited by B3422W5; 12/02/20 01:21 PM.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8