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Author
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Topic: gas tank factory vent?
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trashline
Gearhead Posts: 2230
From: Levittown, Pa
Registered: Dec 2003
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posted 08-20-2006 06:50 PM
 
Was over my uncles house this weekend. He has a 64 falcon with a 498 under the hood. Anyway he cut the gas tank and installed a rear sump kit into it. I was taking a look and I saw a vent tube attached to the top of the tank right next to the filler neck. the steel line ran across the back to the passanger side runs underneath the top of the 1/4 turns a U and runs back into the back tail light housing and down thru a rubber grommet. System looks totally original, I asked him about it and said he didnt know anything. I dont have one on my 66 and was just curious if this was a foctory installed item or did somebody do this?------------------
06 Chebby cobalt SS
88 thunderbird TC 2.3L
Gillis at 18 psi, walbro fuel pump, Kirban afpr, 3.73 8.8" rear, rebuilt head, Ranger roller, .48/.60 T3 with clipped wheel, ported elbow, 3 in exhuast, FMIC 66 mustang V8 swap baby 68 Fairlane 289 w/ auto
rusting away motor is going in the mustang
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bob1963
Gearhead Posts: 167
From: Highland,Illinois
Registered: Feb 2003
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posted 08-22-2006 03:29 PM
Yes it's factory.
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trashline
Gearhead Posts: 2230
From: Levittown, Pa
Registered: Dec 2003
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posted 08-22-2006 04:46 PM
quote:
Originally posted by bob1963:
Yes it's factory.
Im curious why didnt mustangs have them? my 66 doesnt and Im pretty sure its the original tank? ------------------
06 Chebby cobalt SS
88 thunderbird TC 2.3L
Gillis at 18 psi, walbro fuel pump, Kirban afpr, 3.73 8.8" rear, rebuilt head, Ranger roller, .48/.60 T3 with clipped wheel, ported elbow, 3 in exhuast, FMIC 66 mustang V8 swap baby 68 Fairlane 289 w/ auto
rusting away motor is going in the mustang
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bob1963
Gearhead Posts: 167
From: Highland,Illinois
Registered: Feb 2003
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posted 08-24-2006 12:25 AM
I don't have any idea why the Mustangs didn't have them,but I'm possitive that 1960 to 1965 Falcons had them,maybe even the Comets.
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bob1963
Gearhead Posts: 167
From: Highland,Illinois
Registered: Feb 2003
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posted 08-24-2006 12:42 AM
it may have originaly been ment as an overflow, a lot of times when you go to fill the gas tank up,the gas will run back or puck out of the filler neck back onto the paint and the panel that the neck comes thru.if that vent line is plugged with dirt that will cause that to happen.the best way to elimlnate that problem is to remove the stock filler neck,replace it with a newer model car filler neck,and use a non vented cap.then open the trunk to fill the gas tank.use the tube as a vent.
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