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Old 02-18-2017, 06:49 PM   #30
B. W.
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Join Date: Nov 2014
Location: Bigfork, Montana
Posts: 1,137
Re: Eaton HO72 rear axle

You may have already found this info. The tag denotes what type of differential, can't remember if it's gear ratio or locker/open/ limited slip. GM used different shaped tags with no data on them to differentiate differentials (yeah, that was a play on words)
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