OK guys I should have put more info so here goes. 496 stroker Ross Dome pistons around 12.8 to 1 comp. all carb NO SILLY GAS around 610 hp + - a few all race childs and albert rings and I think 3/16 thick. Its 30 over 440. Thanks in advance. Please be quick I need to get this done and to the track at least once and then so I can make it to the Cinn. CC event race