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Gear Ratio

(1990 Ford Bronco)
in Oak Harbor, WA on June 02, 2010
1988 bronco xlt full size, low ratio, 2700 RPM @ 55mph. But not listed on door jam.
Rear ring gear code: 2 373 547 AF 11 41 2H8. Diff tag 354 E81 SC 610310-2.
Front diff tag: 3 54 E81 SC 610310-2
I have frnt/Rear limited slips. Just cant tell type..
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Popular Answer
on June 02, 2010
looks like eaton.

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on July 08, 2010
The ring gear was correct as 3:73 on rear, front is 3:72; I can't figure why they left old tags on?
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