7 Not sure what mods have to do with my situation, but what do I know. Since I am the one asking for help... 68 bore, 4mil crank 115 rods, 421 cub, squish .049 , not sure base gasket, 40mm keihens , pump fed on alky...18cc domes..not sure compression Sent from my LG-D722 using Tapatalk