Quote:
Originally Posted by estoril
Just wondering what you guys think about the diff oil with "FM Booster" that is available as an additive/alternative to the standard Castrol SAF-XJ 75W140.
I have read that it quietens down noisy diffs but a the cost of accelerated wear and possibly different LSD action....
Thoughts?
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just had this added to the Castrol gloop on an Insp2
early days as I've only done 200 miles
Bartlett recommended it.