I'll attest to that. I had a 1984 Cherokee Chief XJ with the Model 20 HD. Tough sucker, too. Couldn't break it 4-wheeling. (Broke the Dana 30 instead!!) ----- Original Message ----- From: "Jim Blair" <carnuck@xxxxxxxxxxx> To: "amc" <mail@xxxxxxxxxxxx> Sent: Tuesday, February 01, 2005 12:20 PM Subject: Re: AMC axles > Thanks to whoever posted this (can't tell who on the list sometimes) I'd > like to point out that some Comanches and some XJs got the Model 20 in the > HD versions '84 to '86 and they came with 1 piece axles. > > > From: <mail@xxxxxxxxxxxx> > Subject: AMC axles > To: mail@xxxxxxxxxxxx > > John; this topic was discussed quite a bit awile ago. > I believe the AMC 20 is real close to the Chryco 8 3/4 > but I might be wrong there. > Basically the weak spot is in the two piece axle. The > bare hub was pressed onto the axle at the factory, > then a big ol' nut held everything together. When new > it was tough, but 30 years of abuse and/or neglect > take their toll. You should retighten the nut (250 > lbs) to be sure. Some people have welded the hub to > the axle (not recommended unless you know what you are > doing). The best way to go is to get one piece axles. > I bought a set from Strange a while ago and notice > that some are still out there. Check with your local > differential or 4x4 shop. > One piece axles, new Posi unit and good set of > bearings and the AMC 20 will do for all but the most > > radical of thrashings. > > > >