Wow ! 9.60s is impressive ! the best I ran was 11.34 with my ported J heads: 2.02 valves, 9 1/2 to 1 compression 20 over 340 , 557 lift Mopar purple shaft cam , 273 rockers , Victor intake , 750 dp carb , 1 7/8 headers in my 3150 lb. 68 Dart.. motor had a lot of runs on it and broke a rod .. been using W2 heads ever since
