[Ryan5O]

I think you've got a good grasp of it. Remember the caps on the ujoints can come off once you take it apart. If so, just dont loose the needle bearings if they fall out; you can put them back. Ive heard multiple opinions when it comes to when to replace the carrier bearing. I guess it really depends on how picky you are. Personally, if its make some noise and it shifts around when I move the drive shaft, I would replace it. Some people arent bothered by that.

I would rate this a 5 or 6 out a 10 when it comes to mechanical difficulty. No big deal, really. Just one of those scenarios that can become a pain, because your dealing with parts they may not have been touched in 40 years.