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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Aug 2011 Posts: 835 Shop Shark | | Shop Shark Joined: Aug 2011 Posts: 835 | Dale,
If you have a hole in the diaphragm, the vacuum advance is not going to work at all. So it's an all or nothing scenario. The mechanical advance would still work however.
(Denny, just another interpretation of what the "intermittent" question might mean)
Kurt | | |
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