I have no idea if anything has ever been done to the differential.
That's something to consider seriously, changing out for an 85 or later differential; thanks for that suggestion, Mick. Would I have to change the whole axle, or just unbolt and swap out the diff portion?
I'd probably get an 85 or later, take everything to the shop and have them install it with new parts.
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1982 CHP 0327
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