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Differential (8 3/4) Put Back Together

71SandbugCharger

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Everything on my '71 Charger SE has been good or best, and I haven't found one issue with anything yet, nor do I expect to. Anyways, I pulled the rear diff apart, and all looks great!
No rust, and well covered in oil. I found a very little metal shaves, but see nothing ground in the gears, no gears missing, no teeth missing or metal stress.

I was thinking I could:
1) Clean it all up. Do I need to remove all the oil from the housing and gears?
2) Drill a hole and tap it for a better drain hole?
3) Add a gasket or sealer and close it up.
4) Add 85W-140 non-synthetic oil (2 qts and a little more).
5) Insert axles that already have new racers and have been rebuilt (any special steps here)?

Anything I am missing?

Diff housing.jpg


diff2.jpg

diff3.jpg
 
I always run rags completely thru the housing and clean all the old lube
out entirely on everything. Especially, if there are any metal chips or debris whatsoever.
 
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