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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: Sep 2008 Posts: 18 New Guy | | New Guy Joined: Sep 2008 Posts: 18 | My 235 6 on my 55 2nd suddenly stopped working. this has been a complete frame off rebuild and I have a new double action fuel pump. The engine will fire off if primed but there is no fuel pumping. I checked all the fuel lines (they are all new) and everything up to the engine is clear. I've been driving the truck on and off for probably a couple of hours so the sudden failure is weird.
Question: Does the vacuum inlit on the pump need to be blocked off if not in use?
Any suggestions on how the pump could fail? I was going to open it up and see if perhaps something got stuck in there. | | |
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