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A-Body gas tank vents??? #67416
06/04/08 01:20 PM
06/04/08 01:20 PM
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Skeez Offline OP
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The gas tank in my 71 Duster is completely shot, and it had one of those vent tubes next to the filler neck in the trunk. The vent has 5 connections coming from the bottom. I have mint cond. used tank that I pulled from a 74 Dart Sport. But this tank does not have the 5 vent lines, it only has one. So what do I do I looked in Year One and on Ebay , and all the new replacement tanks are single vent style tanks. So How do I make a single vent tank work in my car? What was so different in the 74 cars, that they only needed 1 vent? And BTW, the filler neck from the 74 is longer than the one on the 71, is this gonna be a problem too?

Last edited by Skeez; 06/04/08 01:21 PM.
Re: A-Body gas tank vents??? [Re: Skeez] #67417
06/04/08 04:17 PM
06/04/08 04:17 PM
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Phoenix - surface of the sun
nomore65BelvJim Offline
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5 vents? never seen that...how about a picture or 2?

Re: A-Body gas tank vents??? [Re: Skeez] #67418
06/04/08 04:31 PM
06/04/08 04:31 PM
Joined: Jan 2003
Posts: 8,144
Arkansas
340727dart Offline
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Quote:

The gas tank in my 71 Duster is completely shot, and it had one of those vent tubes next to the filler neck in the trunk. The vent has 5 connections coming from the bottom. I have mint cond. used tank that I pulled from a 74 Dart Sport. But this tank does not have the 5 vent lines, it only has one. So what do I do I looked in Year One and on Ebay , and all the new replacement tanks are single vent style tanks. So How do I make a single vent tank work in my car? What was so different in the 74 cars, that they only needed 1 vent? And BTW, the filler neck from the 74 is longer than the one on the 71, is this gonna be a problem too?




My '71 Dart also has those five vent lines. I've never seen such a thing before I got the car.


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Re: A-Body gas tank vents??? [Re: Skeez] #67419
06/04/08 05:33 PM
06/04/08 05:33 PM
Joined: Apr 2008
Posts: 1,195
Snowing in the north!
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Dart 340 Offline
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Quote:

The gas tank in my 71 Duster is completely shot, and it had one of those vent tubes next to the filler neck in the trunk. The vent has 5 connections coming from the bottom. I have mint cond. used tank that I pulled from a 74 Dart Sport. But this tank does not have the 5 vent lines, it only has one. So what do I do I looked in Year One and on Ebay , and all the new replacement tanks are single vent style tanks. So How do I make a single vent tank work in my car? What was so different in the 74 cars, that they only needed 1 vent? And BTW, the filler neck from the 74 is longer than the one on the 71, is this gonna be a problem too?




Thats ecc or no ecc. There are 2 different tanks depending on which you have. Not sure how many vent lines on the tank though. Specta makes them and rockauto.com sells them.

Re: A-Body gas tank vents??? [Re: Dart 340] #67420
06/04/08 09:13 PM
06/04/08 09:13 PM
Joined: Sep 2007
Posts: 710
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Skeez Offline OP
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So the tank from the 74 car will work?....won't work??

Re: A-Body gas tank vents??? [Re: Skeez] #67421
06/04/08 09:22 PM
06/04/08 09:22 PM
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Posts: 20,356
Eagle, Idaho
Neil Offline
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I'd buy the correct tank if you can. It's just a vapor catch setup. The 70 California spec a-bodies have it (my '70 has it) and then all the 71's a-bodies came with it.

Re: A-Body gas tank vents??? [Re: Neil] #67422
06/04/08 10:31 PM
06/04/08 10:31 PM
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Puyallup, Wa.
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Steve340 Offline
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Like this?:

4468638-TankTop.JPG (37 downloads)
Re: A-Body gas tank vents??? [Re: Steve340] #67423
06/04/08 10:34 PM
06/04/08 10:34 PM
Joined: Jan 2003
Posts: 1,547
Puyallup, Wa.
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Steve340 Offline
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This is a 4 vent line tank. Used in all 71 A-bodies and ECS option (california) 70 A-bodies:

4468647-TankFront.JPG (50 downloads)
Re: A-Body gas tank vents??? [Re: Steve340] #67424
06/04/08 11:05 PM
06/04/08 11:05 PM
Joined: Sep 2007
Posts: 710
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Skeez Offline OP
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Yes, thats it. Do I have to use that style tank, or can I make the single vent tank from the 74 car work?

Re: A-Body gas tank vents??? [Re: Skeez] #67425
06/04/08 11:17 PM
06/04/08 11:17 PM
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Posts: 4,084
Indiana
W5Duster436 Offline
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Quote:

Yes, thats it. Do I have to use that style tank, or can I make the single vent tank from the 74 car work?




I have the same tank originally and I can tell you that it is going buh bye quickly. You'll have to get the non-ecs fill tube also if you buy the non-ecs tank.

There was no way I was going to mess with that spaghetti under the car etc. Not only that but you have yet another line that has to run to the engine compartment to the breather.

Just get the non-ecs tank from your favorite supplier and find a non-ecs fill tube like I did. That is the hard part.

Now do me a favor and snap a picture of your fuse block so I can see what fuses go where as my stenciling is basically all gone.

Re: A-Body gas tank vents??? [Re: W5Duster436] #67426
06/05/08 10:26 AM
06/05/08 10:26 AM
Joined: Jan 2003
Posts: 8,144
Arkansas
340727dart Offline
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Quote:

Quote:

Yes, thats it. Do I have to use that style tank, or can I make the single vent tank from the 74 car work?




Not only that but you have yet another line that has to run to the engine compartment to the breather.






What happens if that line to the breather is capped off? When I got my Dart a couple of months ago I saw that line and it wasn't connected to anything, so I capped it.


Your life is not my fault.
My life is none of your business.

Speech is free only if you agree with those in control.
Re: A-Body gas tank vents??? [Re: 340727dart] #67427
06/05/08 10:38 AM
06/05/08 10:38 AM
Joined: Apr 2008
Posts: 1,195
Snowing in the north!
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Dart 340 Offline
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My 70 dart has a line to the fuel pump period. That's all. The tank vent is from the fill tube top
and runs out the trunk floor. That's all there is.
You could probably take your fill tube out and just
add a small fitting for the vent and run it like a
70 and pre type set up.

Re: A-Body gas tank vents??? [Re: W5Duster436] #67428
06/05/08 05:23 PM
06/05/08 05:23 PM
Joined: Sep 2007
Posts: 710
STEELER NATION!!!
Skeez Offline OP
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Quote:

Quote:

Yes, thats it. Do I have to use that style tank, or can I make the single vent tank from the 74 car work?




I have the same tank originally and I can tell you that it is going buh bye quickly. You'll have to get the non-ecs fill tube also if you buy the non-ecs tank.

There was no way I was going to mess with that spaghetti under the car etc. Not only that but you have yet another line that has to run to the engine compartment to the breather.

Just get the non-ecs tank from your favorite supplier and find a non-ecs fill tube like I did. That is the hard part.

Now do me a favor and snap a picture of your fuse block so I can see what fuses go where as my stenciling is basically all gone.




I already have the tank and fill tube from the 74 Dart, and the charcoal canister that went in the engine compartment, so I should be all set up right? As far as your fuseblock dilemma, I'd love to help you out, but my car has no wiring at all, sorry







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