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Old 05-19-2018, 03:41 PM   #67
John V
No more BMWs
 
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Join Date: Apr 2005
Carmudgeonly Ride: Ram, MS3, CX-5, RX-8
Location: Glenwood, MD
Posts: 14,753
Yes, the diff is upside down in this picture. The inside houses an open differential with 3.73 gears. I think that's the gear ratio I'll start off with, but I may need to go shorter in the future and rev the engine higher. We'll see. Either way, the ring and pinion look to be in good shape. The Explorer this came out of only had 70,000 miles and I got the axles from it as well, which will be important later.



I didn't get a great picture of the rear cover with the ears cut off, but you can kind of see it in the top of this photo. I also had to grind down the rear cover at the pry points. They were proud of the mating surface for the rear cover plate, so 1/8" needed to come off of them. This wasn't in the instructions but it clearly didn't fit well without grinding them down.





You can see how the plate fits flush against the rear diff cover with the bosses ground down a bit.

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