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Re: Locking Differential versus Limited Slip differential
the g80 diff reqiures a breakin period. also the diff fluid must be replaced at the first engine oil change.
this is all explained in the GM top secret TSB. the eaton web site also gets into all of this in great detail. the gear teeth are in need of a gradual heat process when first operated. if this metal gets to hot the gear teeth crack, then the diff blows up.
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