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  1. jcmmurray

    Can I rebuild my 8 3/4" myself?

    Just finished my first one. I rebuilt everything from the BBP conversion kit ( from Dr Diff) to the sure grip itself. All bearings, new Richmond gears, axels. Etc. Everyone on here will very useful and eager to help out . You do need a press, micrometer, trq wrench , inch lb wrench for...
  2. jcmmurray

    Pinion depth and preload , 742 case

    This looks better. What do you think Dr. Diff
  3. jcmmurray

    Pinion depth and preload , 742 case

    I will try again I guess. I'll go right to .090. Had a buddy that sets them up for oval cars tell me it was fine but I'll take your word for it. At work right now so give me a couple weeks and I'll redo it and send a pick . I have only a day to get it ready for 1/8 mile , along with about 5...
  4. jcmmurray

    Pinion depth and preload , 742 case

    Ended up with .060 shims. Could have maybe taken out .005 of pinion depth but the pattern looks okay. Thanks for your help. I just saved a few hundred bucks.
  5. jcmmurray

    Pinion depth and preload , 742 case

    Never mind. I figured it out. Didn't set my pinion depth first, missed the shims in the kit, Wont learn if you don't try I guess. Going to re thread my NFG threads to a 5/8 fine thread.
  6. jcmmurray

    Pinion depth and preload , 742 case

    I am having trouble achieving bearing preload. I seated my bearing races in the pinion part of the housing all the way. I also seated the large bearing on the pinion.I then started with a .010 shim for a starting point and started the smaller bearing with a press with the pinion inside of the...
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