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Diffs for the Moser 12 bolt: how are they different?

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Old 03-23-2004, 07:27 AM
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Default Diffs for the Moser 12 bolt: how are they different?

The diff for the 4.11 and higher is different from the lower gear ratio. Its some sort of modified Eaton, but not a true Eaton. Eaton doesn't make one for 33 spline axels, the type available for the 4.11.

So, what's the diff (NPI)?

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Old 03-23-2004, 12:06 PM
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As fars as I know there is only one eaton posi for 12 bolt car axles (well two if you count 3 series and 4 series). Moser modifies (or manufactures) side gears to use 33 spline axles. I see some people referring to a 'HD' eaton but I though they only made one eaton model differential for 12 bolts.. Could be wrong though




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