Gearbox and diff oil additives. Yay or nay?
Discussion
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?
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?
nomis36 said:
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?
The right oil for the right application is all that is needed.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?
I would beg to differ, had a customer with a rover 214 with a bit of a noise of the gearbox possibly noisy bearing. He didnt want to spend money on a rebuild or replacement gearbox thought he would trade it instead. To try to quiten it temporarily put in a tube of Slick50 gearbox treatment, it quitened it so well he was still running it 3 years later.
In that case he'd have probably still been driving it 3 years later with the noise (if he could put up with it).
An additive can't cure a worn or failing gearset, and from a mechanical engineering POV additives are snake oil.
They can reduce noise but so can sawdust, and using them in OPs case achieves nothing.
As an aside I'd be interested to hear what Quaife say about using friction reducers.
An additive can't cure a worn or failing gearset, and from a mechanical engineering POV additives are snake oil.
They can reduce noise but so can sawdust, and using them in OPs case achieves nothing.
As an aside I'd be interested to hear what Quaife say about using friction reducers.
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