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Re: Gas tank vent line puking fuel
You should have three lines coming from the tank on a 72. One for feeding the fuel pump, one for return from the fuel pump, and the last one would originally be hooked to a charcoal canister under the hood which would be the vent.
3/8"=Supply,
5/16"=Vent,
1/4"=Return
This thread might help you out a little...
http://67-72chevytrucks.com/vboard/s...d.php?t=662158
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He who is without oil shall throw the first rod. Compressions 8.7:1
1972 C10
1976 C10 (parts truck)
1985 K20
Last edited by sick472; 01-18-2019 at 04:52 PM.
Reason: adding info
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