1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Fuel tank interchange information

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Old Nov 3, 2007 | 12:44 PM
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Fuel tank interchange information

Ladies and gentlemen will the gas tank from an 1985 fit in my 1983??

Thanks.
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Old Nov 3, 2007 | 12:45 PM
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There is a low fuel light in the 84-85's that are not in the earlier 7's.
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Old Nov 3, 2007 | 01:12 PM
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Yes.
Just use the sending unit from yours.
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Old Nov 3, 2007 | 01:27 PM
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Thanks alot.
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Old Nov 13, 2007 | 01:52 PM
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OK complete turn of the clock. Will a tank from an 1981 fit into my 1983???

Thanks guys....
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Old Nov 13, 2007 | 02:07 PM
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Yes
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Old Nov 13, 2007 | 02:32 PM
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Here are pictures of 83 GSL and 84 GSLSE tanks.

http://intertron.com/ron/tank.html
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Old Nov 13, 2007 | 04:35 PM
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81-83 are the same tank, so yes
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Old Nov 14, 2007 | 12:18 AM
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Here's an '81 tank I pulled the other day.


Got it cleaned up.








It looks like the '81 tank has an extra breather on it that the '83 car doesn't use. It can be capped.
Attached Thumbnails Fuel tank interchange information-81-83tank.jpg   Fuel tank interchange information-tank02.jpg   Fuel tank interchange information-tank03.jpg   Fuel tank interchange information-tank04.jpg   Fuel tank interchange information-tank05.jpg  

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Old Nov 14, 2007 | 01:08 AM
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Similar question:
Will an 84-85 pickup fit in an 81-83 tank?
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Old Nov 14, 2007 | 01:22 AM
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Along the same lines, I beseech thee for answers. Are there new or aftermarket tanks, pick up AND fuel levels senders for S3s?
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Old Nov 14, 2007 | 02:48 AM
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84-85 do all models have the same tanks? look like they do but is there a real difference
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Old Nov 14, 2007 | 09:09 AM
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I have a bolt-on feed and return line section that came in the trunk area of my '83, and had assumed that it fit the tank in the car until now. I noticed the lines were smaller than the '84 SE tank lines that I've got, so I'm assuming that the bolt-in section is for an '84-'85 model with a 12a. Any comments? Doc-(or anybody that knows for sure)I'm swapping in the complete dash and instrument cluster from the '84 SE into my '83 GS, what will it take to get the "low fuel" light to operate properly with my swap? Thanks for the info, guys...

-Adam Collins
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Old Nov 14, 2007 | 11:25 AM
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inuissus_cendi, nope.

wotnartd, check Mazdatrix. The prices for a new tank are sky-high. A new S2 pickup is only $72. A new S3 pickup is over a hundred because it included the low fuel light sender.

bugman1973, 'all 84-85 tanks are the same except for one difference. The GSL-SE tank has a sump cup and the 12A tank does not. Also the bolt-in pickup tube thing has larger tubes on the GSL-SE.

rxforspeed, you assumed correctly. It is from a 12A model. I think Steve has some information about the low fuel light.
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Old Nov 14, 2007 | 04:14 PM
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Jeff the moola is in transit. Thanks you saved my restoration project..



Originally Posted by Jeff20B
Here's an '81 tank I pulled the other day.


Got it cleaned up.








It looks like the '81 tank has an extra breather on it that the '83 car doesn't use. It can be capped.
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Old Nov 14, 2007 | 08:15 PM
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For everyone. The replacement 84-85 Fuel tanks are the same whether for the Se or the carburetor version. The originals were different.
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Old Nov 14, 2007 | 08:40 PM
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Thanks Jeff. Which Steve are you referring to? I'm still new enough to not know many of you guys by name yet...
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Old Nov 14, 2007 | 09:02 PM
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Originally Posted by Cdn_Dog42
Jeff the moola is in transit. Thanks you saved my restoration project..
Awesome.

rxforspeed, I'm refering to steve84GS TII. He once mentioned the low fuel light so he'd probably know a few things about it. Wouldn't hurt to ask.
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Old Nov 15, 2007 | 05:02 AM
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Thanks again Jeff...
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