How many times have you adjusted the valves since the initial startup? If not at least twice (and assuming you are using the correct procedure), I would start there first. Should be no cost other than your time and a possible torn valve cover gasket or two. -- You received this message because you are subscribed to the Google Groups "The 1962 to 1965 Mopar Mail List Clubhouse" group. To post to this group, send email to 1962to1965mopars@xxxxxxxxxxxxxxxxx To unsubscribe from this group, send email to 1962to1965mopars+unsubscribe@xxxxxxxxxxxxxxxxx For more options, visit this group at http://groups.google.com/group/1962to1965mopars?hl=en.