Another Head Thread...

All I can do is give you my actual track crank hp figures as a guide if it helps from my weight/mph and the set up was at first>

All Stock '71 340 Cuda, DC. .484/284 hyd., ally dual plane, can't remember exactly which 1 (was in 1980), small tube hdrs, 750DP, car ran 13.3's@101 = 301hp...3.55's, B&M s/holeshot verter, 8x26" slicks.

Added, Fel-pro .039 h/gskts, so CR was prob 9.5>9.8?, a DC. 590/312 solid ft cam, MSD6A, Holley Strip Dominator int., 850DP, 2" open spacer, hedman 1.3/4" race hdrs, 4.30's, 10x28's, and a T/A 4200 verter, Pinion Snubber, long shocks, ran [email protected] = 367hp.