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Old 11-12-2017, 12:57 AM   #14
68Timber
I know the pieces fit
 
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Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
Re: 1978 Suburban fuel fill issue

Quote:
Originally Posted by mongocanfly View Post
I think your on the right track...your displacing air with fuel...I would think the fill vent is the issue...as long as the vent is behind the pump nozzle it should work...I assume yall made sure the vent tube isn't clogged or kinked...but I guess you eliminated that by removing the vent at the tank...maybe its the tube inside the tank...
I'm still wondering about the vent because they fill fine with stock hardware when in good order. You removed the vent lines, did you blow out the hard line on the tank where the vent lines connect? Run a pipe cleaner through it if you can.
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79 2wd Blazer (Bruiser)
85 M1009 Blazer (Sarge) build
74 Honda Z50 build
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