In a message dated 3/9/02 9:23:18 PM Eastern Standard Time, chaparral2a002@xxxx writes: << Also, those studs and nuts have been on there for 20 years, I can't beleive they would come off with out breaking. >> The studs will probably come out without breaking, but in most instances will take the aluminum threads with them.....At least that was my experience with my valve cover bolts.. Jim 6147