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Great explanation - thank you. I don't doubt Motul is a superior product - actually I just purchased your motor oil and plan to change that shortly as well.
Yep, Redline 75W-90NS in the transaxle and 75W-90 in the front dif. I'm using the Porsche AWD Controller Mobilfluid LT 75W-80 on that side of the front dif.
Originally Posted by lliejk
Has anyone ever used Red Line MTL 75W80 GL-4 Gear Oil and Red Line Synthetic Oil 75W90 GL-5 Gear Oil for this?
