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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!
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| | | | Joined: Aug 2007 Posts: 33 Apprentice | | Apprentice Joined: Aug 2007 Posts: 33 | My truck is starving for gas. It is a '52 GMC with a '77 nova 250 6 cylinder turbohydramatic. It had sat in a garage for about 9 years but I got it running pretty quick. Now here's the rub. Gas gauge sending unit needed replaced and I took the tank out to have it checked. Put it back together and sometimes I get fuel to the carb but it's not constant. I have replaced: fuel pump, filter, and a new rebuilt carb. The only thing I can figure the gas is fed from the bottom of the tank where there is a valve (shutoff I assume) Has anyone encountered these valves ? Are they open wound in or out? Right now I have it halfway. Any help?? | | | | | Joined: Nov 2007 Posts: 55 Shop Shark | | Shop Shark Joined: Nov 2007 Posts: 55 | It's fully open in the out position.
Dave | | | | | Joined: Jul 2004 Posts: 2,993 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 2,993 | Did you get the tank cleaned out good? After 9 years, I'm sure there's a lot of crud in it. You could even have some in that valve or in the line.
Been there, done that!! | | | | | Joined: Oct 2005 Posts: 738 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 738 | I am having a similar problem with my 235 in my 61, but I think my problem is gunk in the tank. I keep sucking big hunks of crap into my pre-pump filter. I am gonna hve to take th tank out and clean it and then flush the fuel lines good. It might be something similar in your truck.
Kyle
"Never tell people how to do things. Tell them what to do and they will surprise you with their ingenuity." - George S. Patton My Machine | | | | | Joined: Dec 2007 Posts: 198 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2007 Posts: 198 | I would BET that the above posters are correct: you have junk in the tank that needs to be cleaned out. | | | | | Joined: Aug 2007 Posts: 33 Apprentice | | Apprentice Joined: Aug 2007 Posts: 33 | Many Thanks, I can always count on you guys !! | | |
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