Turns out I had a spare diff from my LSP and that diff assembly practically drops right in to replace the XTM diff. I didn't have a pinion I could try so I'm thinking about trying to get a complete LSP2 diff and pinion and see if I can get it working. Those diffs look a lot more stout.
How about a little mud?
To bad the fun didn't last long
Chevy Monster Muddin video
Dead in the water
Good effort from my buddy's 2.2 to get it out.
Electronics stayed nice and dry. I think I'm going to line the top of the rear fenders with a foam weather stripping so that when the cover is down it seals up better.
Look at that little feller