O.k., I think I get it. You're suggesting slide the "new" axle into diff without any spacers, place C-clip on, and then estimate the space that any spacer would need to take up.

I can see that working.

Unfortunately, I'm concerned that I "traumatized" my old diff in the attempts to punch out the stuck axle from the open side. I'll try to post some pictures and see what ya'll think.

Ross.

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1982 300cd, 140k miles