Okay this is what i got; Eagle 393 stroker kit, h beam rods, hyper pistons and rpm air gap intake, oh and 89 truck heads may have gt 40 if i need to, anyway this engine is going to be used in a marine application in a very heavy boat the problem is I dont know what kind of cam to use. Any help would be appreciated! Also will I have clearence issues with piston skirt to crank issues?