6MT Tranny/Rear Diff. Question

Originally Posted by JARblue ... I've always put 75w90 in my diff. Since 2011. Never seen an 80w90 gear oil recommendation documented. I bought a 2019 sport coupe with the

		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain
6MT Tranny/Rear Diff. Question

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04-23-2019, 07:45 PM

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physics

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Quote:

Originally Posted by JARblue

... I've always put 75w90 in my diff. Since 2011. Never seen an 80w90 gear oil recommendation documented.

I bought a 2019 sport coupe with the 6MT and the Nissan owner's manual specs an 80W-90 conventional super hypoid GL-5 gear lube for the diff. I changed it out with Redline 75W-90 diff oil and the driveline friction is noticeably less.

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