For another guy who can give feedback on the swap contact WallyMT. He is or has done the same swap. I think he has been in Washington State for the last few weeks.
These drop-in rear differentials are pretty darn tough. I think with a regular oil change every year or two it will last longer than most of us eek grin cool

There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!