Join Date: May 2001
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Re: Need AMC 20 axle specs
Sorry I haven't been able to turn up a donor axle to ship to you... We've got one coming out of a CJ-7 sometime in the next couple of weeks. Sorry also for being a little slow on the response, the holidays have been taking their toll.
Also of note, be aware that there are two versions of the 20 that are common, to my knowledge. The narrow track and the wide track. The narrow track is everything pre-1982(I think) while the widetrack is everything else up to 1986. As far as I know, the only difference is the length of the tubes, and brakes. Neither of these should impact your designs.
One thing I would note though, there were several sizes of gas-tank in the CJ's that carried 20's, the clearance between the tank and the diff cover may be an issue. I would be happy to measure mine.
I also have a spare diff cover you are welcome to if it would help.
'83 CJ-7 nothing original but the tub and axle tubes