Front DIFF 75/90 OK??
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More Turbo
Joined: Sep 2019
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Front DIFF 75/90 OK??
I know the book calls for 80/90 but I have some premium synthetic 75/90 at home already I would like to use in the front diff.. just wanting to know if it would be OK to use. Also , no LS additive goes in the front only the back correct? Thanks!
Fleet Mechanic
Joined: Feb 2018
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That’s fine. You only need friction modifier if you have a friction clutch style limited slip differential. Those only come on the DRW rear or the Tremor front axles.
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Yep, mines a DUally so figured for the rear, just not front. THanks!
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