Author Topic: 10 bolt posi diff lube and additive question ???  (Read 580 times)

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Offline 1976bober

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10 bolt posi diff lube and additive question ???
« on: February 20, 2014, 07:24:09 PM »
LUCAS diff lube has additive in it so would adding GM diff posi additive be to much additive ? 75 10 bolt Camaro 308 posi unit in my 76 F/bird and I want to change the old for new after running it a few thousand mi. Thanks