spun bearing

Good morning All. Just wanted to share some interesting findings, did a quick search but couldn't see anything on this previously (probably user error). I've had my HDJ80 for somewhere between 1-2 years now and the whole time I've owned it the original front (locking) diff has been whining...

Hey all. I bought this crate with a complete 1f engine (F222837)(1967?). It spun a bearing and the owner went with a sbc. Picked crank up at machine shop, was told it needs .040" bearings. Looks to all be here. I have no use for it, but couldn't let it go. Do I part this thing out or sell as a...