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| | Forums66 Topics128,050 Posts1,055,760 Members48,426 | | Most Online14,466
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: May 2007 Posts: 112 Shop Shark | | Shop Shark Joined: May 2007 Posts: 112 | Hi guys any idea why when I go to the gas station and intent to add some gas to the tank, it spray out a lot and just let me put a little.I have to expend a while to put some gas. it is all original.
My truck is 1952, chevy truck 3600,
thanks,
alfonso | | | | | Joined: Sep 2006 Posts: 2,393 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 2,393 | The gas tank is building up back pressure because there isn't a way for the tank to vent off. It could be the narrow relief line on the filler neck is plugged or it could be something as simple as you holding the fuel nozzle too tight into the fill neck of your truck. Fuel back pressure increases with high air temperature too. I assume it's reasonably warm in Costa Rica.
Drew
| | | | | Joined: Feb 2009 Posts: 400 'Bolter | | 'Bolter Joined: Feb 2009 Posts: 400 | Look inside the neck to see if there is an anti-sifon spring in it. | | |
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