Gearbox and diff oil additives. Yay or nay?

Gearbox and diff oil additives. Yay or nay?

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nomis36

Original Poster:

429 posts

165 months

Thursday 20th May 2021
quotequote all
I’ve had my quaife atb equipped diff bearings replaced. I’m going to refit it this weekend but started thinking about maybe adding a friction reducer when I fill it. These Quaife LSD’s don’t require any special oils so will be using the standard 75/90 stuff.
On the gearbox side it’s the original unit with 158,000 miles on it. I changed the oil in that recently which made all the gear changes better but it’s still a bit tight engaging first, especially when cold.

Anyway, what are your thoughts on additives?