Ryan checks the oil pump pick-up to pan clearance. You need at least .060-inch. National Parts Depot sent us this new reproduction oil pan, which yielded a perfect fit. The Right Stuff goes between the gasket and block only. You will want it in the corners where the pan rail gaskets meet the neoprene end gaskets. Just a thin film is all that's necessary because there's no sealing benefit when it oozes out.