I couldn't take it anymore. Between runs at the track...replacing the original hub carriers on the B4. The right side was sooo worn out from digging bearings out of it over the years. Lots of slop. Another culprit:

Haha. The rest of the balls are in my keyboard. Shazbot, nanu nanu!

Update: Oh my word. The outer hinge pin is in the arm real good. That thing just doesn't want to come out. Too late now...PB Blaster is applied and I don't remember what plastics the stuff will affect .