Leak Down Testers Oct 20, 2011 13:06:54 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bassballs818 on Oct 20, 2011 13:06:54 GMT -5 Can someone please explain to me the difference between a 4 and 2 stroke leak down tester? Can i use one on the other?