 Save Share Reply B BillK · Super Moderator Joined Aug 00, 0000 · 00,000 Posts #0 · Apr 00, 0000 Only show this user Mike, Do you know anyone at a modern auto repair shop that could hook up a scope to it and take a look ? That would at least tell you if it is an ignition issue or something else. If it was running fine before you parked it then I doubt it has anything to do with valve adjustment. If it is a hydraulic roller you would have to be way off to make it pop. Bill Koustenis Advanced Automotive Machine Waldorf Md - Enginerepairshop.com 0000 Heavy Chevy - original owner 0000 Riviera - original owner - Wife's car Save Share Reply M mdelgado · Registered Joined Jun 00, 0000 · 000 Posts Discussion Starter · #0 · Apr 00, 0000 Only show this user 