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Old 09-05-2013, 08:52 PM   #1
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1971 gas tank...

Anyone with a 71-75 cj who could measure the distance between the two frame rails in the back where the gas tank goes?

Need a new tank for the dj5 and want to make sure a cj tank will fit.

Planning on replacing the whole works... Tank, sending unit, all the lines, filters, and an electric pump near the tank. Tried cleaning the tank out, but it's still clogging up somewhere and at this point I'm willing to just start from scratch to ensure none of the gunk survives.

Any words of caution or advice?

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Old 10-01-2013, 08:58 PM   #2
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try 4wd.com

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Old 10-10-2013, 08:18 AM   #3
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You r tank should be about 25" wide an have about 4" of tube for the fuel inlet.

There is a flat spot where the tune goes over the frame?

If so the 71-75 tank will work just fine. As I recall the difference was the boxed frame and outboard springs.
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Old 10-11-2013, 04:21 AM   #4
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My tank is 18" wide, 14 deep, and 10 tall. I have about 18" of bent steel tube for a filler neck (gas cap is rear right side, so sort of an "s" curved tube) and a 4" rubber hose, assume its for vibration. No flat spot on hose or frame. I do have about 3.5" of clearance on each side, but the shocks mount in those gaps... I'd have to outboard my shock mounts on the frame and axle to get a wider tank in, and the frame rails are right at 25" apart...
Is the early cj tank exactly 25"? And does it have a pinch seam like a normal tank?

Sounds like a pretty different tank... The dj5 tank is pretty much a square steel box.
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Old 10-11-2013, 10:07 AM   #5
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There is a company called Northwest Metal Products. http://www.nwmp.com they may be able to help. Oops just found this letter on their site. So give sunset metal a call


August 12, 2013


Dear Valued Customer,

We are writing to inform you that we have made some recent changes to our business. After nearly 40 years of manufacturing fuel tanks we have made the difficult decision to sell the fuel tank portion of our business to Sunset Metal Fab, owned by Charles Atkinson. We will continue to provide custom metal fabrication services, however as of August 12, 2013 we will no longer be selling fuel tanks or fuel tank parts. This sale will not affect the warranties of tanks sold prior to August 12, 2013 as Sunset Metal Fab will be honoring all valid Northwest Metal Products of Forest Grove tank and part warranties.

Northwest Metal Products of Forest Grove is in no way affiliated with Sunset Metal Fab or Charles Atkinson. However, we feel confident that the quality of product available will not be affected by this change. If you have any questions regarding this change please feel free to give us a call. In addition, we will be posting a link to the Sunset Metal Fab website on our site (www.nwmp.com) for your convenience. Please see below for Sunset Metal Fab’s contact information:

Sunset Metal Fab
1062 Rose Avenue
Vernonia, OR 97064
(503) 429-0895

Thank you for all of your years of loyal business. We will miss working with you all and wish you the best.

Sincerely,

Vicki Atkinson
President
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Old 07-23-2014, 10:50 AM   #6
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So, finally got this sorted... Just to "close the loop" for anyone who gets here via search (especially the dj5 folks), I filled the tank with vinegar and left it alone for a few weeks. The interior looks like brand new sheet metal, and is so clean that it almost immediately started accumulating surface rust.

So vinegar for a couple weeks, no effort at all required (probably best to leave it installed in fact, to minimize "dry" time), and fill it up as soon as possible when you drain the vinegar out

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