Quote:
Originally Posted by coyote
The NS gear oil is a better choice with that differential.
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NS? The only NS I saw was a 75W140. It has less or no friction modifiers (which is fine for a torsen as they dont need 'em), but imo is way heavier than needed for this application. It did seem strange that the oil in the transmission (75W90) is thicker than the oil in the rear end (75W85), but that is what the manual calls for, so I used it.