Hey, I just saw an episode on Extreme 4x4 where they're setting up an ARB in a dana 44. Although we have a third member and they dont, many of the steps are the same, if not similar, and the show would help you guys understand what's going on here. I think you can watch the episodes for free online. Here's a link to this episode:
So, as you can see, you probably will have to mess with the shimming a little there Dub. Also, this is a good read to get ready. Again, it's not identical, but it will set you on the right track concept-wise.