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E body Fuel Tank Vent Location #54799
03/13/08 03:46 PM
03/13/08 03:46 PM
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Florida
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cataclysm80 Offline OP
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Hello Everyone, My trunk extension panel was previously replaced on my 70 challenger. Now I've just received my new fuel tank vent kit, and need to know where to drill to mount the plate with the grommets.

I could use some measurements.

Is it one big oval hole, or 2 little holes just under the grommets?

My 70 challenger only has 1 vent line. Do I need both grommets, or should I only have one?

What's the plate for? Why not put the grommet right in the trunk extension panel?

I'd like to do this "correct". Input appreciated.

Thanks
Tav

4270770-Fueltankvent.jpg (551 downloads)
Re: E body Fuel Tank Vent Location [Re: cataclysm80] #54800
03/14/08 06:43 AM
03/14/08 06:43 AM
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Posts: 707
Tecumseh, Ontario, Canada
Moparnut Offline
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Tav

The hole in the trunk extension is a large oval.
The plate covers the oval.
For correct appearing you will want to put this in and has both gromets.
I don't have measurements at the moment. But here are some pics.

4272501-DSC00161.JPG (1141 downloads)
Re: E body Fuel Tank Vent Location [Re: Moparnut] #54801
03/14/08 06:44 AM
03/14/08 06:44 AM
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Tecumseh, Ontario, Canada
Moparnut Offline
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#2

4272503-DSC00159.JPG (2004 downloads)
Re: E body Fuel Tank Vent Location [Re: Moparnut] #54802
03/14/08 07:49 AM
03/14/08 07:49 AM
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Florida
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cataclysm80 Offline OP
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That helps, now I know which way the plate goes. 2 screws on one side vs. 1 screw on the other.

Anyone else have any info?

Thanks
Tav

Re: E body Fuel Tank Vent Location [Re: cataclysm80] #54803
03/14/08 08:19 AM
03/14/08 08:19 AM
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Tenn.
jrwoodjoe Offline
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I just pulled mine out the other night. I'll get you some pics of oval cut out with the location measurements later this morning. Should be able to get you fixed up.

Joe



65 Barracuda
70 Challenger
Re: E body Fuel Tank Vent Location [Re: jrwoodjoe] #54804
03/14/08 08:26 AM
03/14/08 08:26 AM
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Florida
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cataclysm80 Offline OP
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That would be great! Thanks!

Tav

Re: E body Fuel Tank Vent Location [Re: cataclysm80] #54805
03/14/08 09:59 AM
03/14/08 09:59 AM
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Tenn.
jrwoodjoe Offline
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Hopefully these 2 photos will help. If you need something else then let me know.



65 Barracuda
70 Challenger
Re: E body Fuel Tank Vent Location [Re: jrwoodjoe] #54806
03/14/08 10:01 AM
03/14/08 10:01 AM
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Tenn.
jrwoodjoe Offline
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The edge of the trunk extension does NOT run parallel to the edge of the fuel vent cut out. The trunk extension is angled on the edge.

Joe

Re: E body Fuel Tank Vent Location [Re: jrwoodjoe] #54807
03/14/08 10:03 AM
03/14/08 10:03 AM
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Florida
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cataclysm80 Offline OP
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PERFECT!! Thank you very much!

Tav

(did you get your fender converted over to 70 style yet?)

Re: E body Fuel Tank Vent Location [Re: cataclysm80] #54808
03/14/08 10:08 AM
03/14/08 10:08 AM
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Tenn.
jrwoodjoe Offline
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Not yet. I'm still a little about it and that I didn't notice until a few days ago. I do not have a welder so the guy who is doing my media blasting has been doing my sheet metal repair also. I'll have him do it when I take the rest of the car over to be blasted.

Thanks, Joe

Re: E body Fuel Tank Vent Location [Re: Moparnut] #54809
03/14/08 12:09 PM
03/14/08 12:09 PM
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Rhode Island
71 Six Pack Offline
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Rhode Island
Is that how it's supposed to look, a grommet with a small tube coming out. The one on my '70 Challenger is a grommet with a large tube, similar to fuel fill.

4273043-DSC01812.jpeg (533 downloads)
Re: E body Fuel Tank Vent Location [Re: 71 Six Pack] #54810
03/14/08 12:15 PM
03/14/08 12:15 PM
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Posts: 707
Tecumseh, Ontario, Canada
Moparnut Offline
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Large tube is for a 71-74

Re: E body Fuel Tank Vent Location [Re: Moparnut] #54811
03/14/08 12:29 PM
03/14/08 12:29 PM
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Rhode Island
71 Six Pack Offline
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Thanks, its definitely not right then as the car was built October 1969.

Joe

Re: E body Fuel Tank Vent Location [Re: 71 Six Pack] #54812
03/14/08 12:48 PM
03/14/08 12:48 PM
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St. Louis, MO
Blues_Cuda Offline
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Quote:

The one on my '70 Challenger is a grommet with a large tube, similar to fuel fill.




Possibly an emissions deal...ECS?

We have a '70 Barracuda that originally had the large vent tube in the trunk that was about the same diameter as a fuel fill. It had 4 smaller lines at the very bottom that ran to the gas tank and/or fuel return.



I replaced the whole nine yards with the standard fuel tank and vent assembly.

Re: E body Fuel Tank Vent Location [Re: Blues_Cuda] #54813
03/14/08 12:51 PM
03/14/08 12:51 PM
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Posts: 100
Rhode Island
71 Six Pack Offline
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Rhode Island
Maybe, car is a California car with the California emissions called out on the Fender Tag. I recall only one vent tube coming out of the tank though. My 71 has 4 vent tubes coming out of the tank.

Joe

Re: E body Fuel Tank Vent Location [Re: 71 Six Pack] #54814
03/15/08 10:25 PM
03/15/08 10:25 PM
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Rockford, IL.
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Ruppman Offline
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Quote:

Maybe, car is a California car with the California emissions called out on the Fender Tag. I recall only one vent tube coming out of the tank though. My 71 has 4 vent tubes coming out of the tank.

Joe




Right, California sold vehicles only in 70. Should have N95 on the fender tag. ECS is Evap control. routes the carb bowl gas fumes back to the tank instead of letting them vent to atmosphere.

Mark

Re: E body Fuel Tank Vent Location [Re: Ruppman] #54815
03/16/08 06:49 AM
03/16/08 06:49 AM
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Virginia
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larry4406 Offline
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The pictures don't agree with each other on the placement of the screws. The green car has the two screws near the quarter whereas the blue one has the two screws on other side of the oval hole.

Re: E body Fuel Tank Vent Location [Re: larry4406] #54816
03/16/08 10:31 AM
03/16/08 10:31 AM
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Ohio
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B5TA Offline
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Took this pic . from my " NOT RESTORED " '70 T/A. If you look real hard through the rust you will see the screws. I've had this since early '73 so I know it hasn't been touched. Man I wish I had some Money! I'd be on it! Hope this helps. Kev

4277579-100_2782.jpg (413 downloads)
Re: E body Fuel Tank Vent Location [Re: Ruppman] #54817
03/16/08 11:50 AM
03/16/08 11:50 AM
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Posts: 100
Rhode Island
71 Six Pack Offline
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Rhode Island
Quote:

Right, California sold vehicles only in 70. Should have N95 on the fender tag. ECS is Evap control. routes the carb bowl gas fumes back to the tank instead of letting them vent to atmosphere.

Mark




The fender tag does have N95, California Emissions called out. I'm pretty sure the tank only had one tube coming out of it. I'll have to double check, which will be easy as the original tank is out of the car due to a leak.

So California emissions is basically carb fumes back to tank correct? That would mean I should have two lines from the fuel tank to the carb, one for supply, one for vent return. The emissions do not also include the 3-tube breather as well do they?

Thanks,

Joe

4277797-DSC01820.jpeg (245 downloads)
Re: E body Fuel Tank Vent Location [Re: 71 Six Pack] #54818
03/16/08 11:59 AM
03/16/08 11:59 AM
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Zzyzx Road
beepbeep Offline
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Quote:

The emissions do not also include the 3-tube breather as well do they?


Sure does.


Amazing how an unchallenged lie can become the absolute truth.
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