Opened Up The Old 489

Thank folks. I do appreciate the input!
I had a little help the with the "old school" setup fixtures and '71 FSM. Lol, I must have gone through the measurements a half dozen times before I grew nerve to press the bearing on the pinion with the shims behind it. My concern was possibly going too deep and having to pull the bearing.
489CasePinionGearDepth.jpg


...........you measured the pinion preload with just the pinion in the case ( no carrier/ring gear installed )

Yes I did. But since this is my first time it's all a bit of a blur to me, (kind'a like this picture)!
489CasePinionGearPreLoad.jpg