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Unread 02-17-2008, 09:41 AM   #1
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Join Date: Dec 2006
Location: king nc
Posts: 23
polly gas tank

the tank in my 86 cj7 is rusted and leaking, i found a polly tank that the guy said came out of a 86 cj7 but it is much bigger than mine, if there both the same year cj why the difference, and what do i need to make it fit in my jeep, or i should ask if it will even fit, i hope it will becaus i bought it,, i would appreciate any help,,

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Unread 02-17-2008, 10:16 AM   #2
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sounds like the poly tank is an oversized (20 or more gallons) replacement. you will need the larger skid to install it
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Unread 02-17-2008, 10:19 AM   #3
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1977 CJ5 
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mine has two 4 inch skid plate extensions. they go between the frame and the skid plate..
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Unread 02-17-2008, 10:42 AM   #4
Mike Romain
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1986 CJ7 
Join Date: Nov 2007
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I have the stock 20 gallon poly tank in my 86 CJ7, it is just the larger option and uses it's own skid plate box. They are useless without the skid plate. It is a box to protect the plastic sides also.

You will need the 20 gallon sender too.

I recently got lucky and got a new tank and skid (my skid rusted away) for $25.00 to go along with the frame I was buying from the same gent.
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
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Unread 02-17-2008, 10:44 AM   #5
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1983 CJ7 
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Location: Indiana
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They put 20 gal poly tanks in some CJ's between 82or 83 and 86. I have an '83 and Found out that I had a poly tank when my factory skid plate rusted through. The only problem is finding a skid plate for the tank. The only one I could find was made by kilby. It was like $260 but it was made out of 3/16". I had some sheetmetal laying around and had a local guy bend one for me. All I had to do was drill a few holes and she went right in. You may have to get a different sending unit also because your CJ probably had the 15 gal. tank.
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Unread 02-17-2008, 10:52 AM   #6
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thank you all verry much,,,
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