I have a 360 stock crank, stock rods, kb flat top pistons, e-heads ported by Hughes with approximately 11.7-1 compression and it runs great on 93 octane. 11.21 at 121mph
1968 Barracuda 360/727 11.20 @ 121 mph 421 rwhp 1985 Harley Sportster Bobber 2006 Ram 2500 sport - The Cudahlr