[Tigers] Differential oil

[James Lindner]

Hello

One of my winter projects is to refresh the oil in my completely stock rear end differential on my Tiger. Cannot remember what I used 10 years ago, so I will completely drain and refill.

I have heard not to use the Redline 75W90NS (GL-5) which is what I “think” I used last time…but not sure. Hear I should stick with GL-4 for the rear end. I seem to recall I used the redline NS stuff because the NS meant “no sulfur” which is hard on the soft metals.

I plan to use Sta-Lube from NAPA (GL-4) in my transmission. I am one of the very few with an original Borg Warner T10 in my Tiger and that brand has been recommended on a couple of the BW sites I have checked out.

Recommendations for rear end oil?

Thanks

Jim

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