1. 440 with KB step head pistons,452 heads, .065 quench, .509 cam. 10.25 comp, Absolutely no issues with detonation...
2. 440, Probe flat tops, no quench, 452 heads, 259/259 @.050 Solid, 10.6 comp. Runs fine on pump 91 with 32 total, will rattle a bit with 38 total in the dead of summer
3. 440, KB step head pistons, 346 heads, .065 quench, 244/252 @.050 solid. 9.8 comp. Runs fine on pump 89...
Building a SBC to run on 87.... 9 to 1 with .040 quench....
72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,.
11.33@117.72.
Same car, bone stock 346s, 9.5 comp, baby solid.
12.24@110.