^^^That's pretty cool.
Anyway, I just finished putting in my J30 diff/axles. Turns out I didn't have the 36mm socket but thankfully I did have a phone and some favors to cash in. The only bad part was that the old diff fell off of the jack when I was removing it. Thankfully, my pinky finger was there to soften the blow. I think it's now sprained but not broken.
Still, I took it for a test drive and it seems to be limited slipping so all is good.
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1973 VW Squareback
1979 AMC Jeep Cherokee Chief
RIP Tim