Need help ?

Benjamin F Cothran said

I replaced the points & condenser inside of the distributer after it would not start the next morning .
Could the chain jump the next morning while it was running fine when I cut it off the night before ???????????
Engine was rebuilt in 1995 by Little & Jenkins in Roanoke Rapids , North Carolina . A major engine rebuilder for the east coast . Left the car and they removed my engine , rebuilt it to factory specs and I picked it up about a week later once finished .

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I've never trusted the compression testers like you used. The rubber ends always get hard and fail to seal. You need the screw in type with the o-ring on it to seal good. You can get one from any auto parts store's rent a tool program and get your money back when you return it, or just buy one. Having two older vehicles, you should have one in your toolbox anyway. I would recheck compression with one of those and report back. Although sure, it's possible the timing jumped, I put that on the very last list of things that has happened. I'd want to eliminate a faulty compression reading first. It's always best to verify.