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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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#36804 07/06/2002 12:23 AM | Joined: Sep 2000 Posts: 114 Member | | Member Joined: Sep 2000 Posts: 114 | You can confirm sticking valves with a simple vacuum guage test - see http://www.centuryperformance.com/vacuum.htm. Marvel Mystery Oil down the carb might help too. Gotta be sticking valves  ,rockers, or tappets.
Jim
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