| Re: Gas Tank Vent Mod [message #366970 is a reply to message #366968] |
Sun, 26 September 2021 14:24   |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
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That was a suggested modification a few years back, although I haven't heard much about it lately. If there are no bellies or dips in the vent line, it might be a better system than the original set-up. As long as the added vent line doesn't hold gas in it anywhere, it would theoretically vent the tank more efficiently than the factory system.
The original venting works well if it is in good original operating condition, but I can see where separate vent lines, to a tee, as you've described might work better. With mine in the stock configuration, I can fill the tanks easily up to the point where the gas starts to burble in the filler neck, then I have to wait 30 seconds to a minute before slowly topping it off, sometimes with as much as an additional 5 - 10 gallons.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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