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estoril · 14-04-2015, 08:16 AM

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?

14-04-2015, 08:16 AM	#1
estoril S4 - Getting the hang of it Join Date: Feb 2013 Location: Bucks Posts: 143 Casino cash: $9222	Diff oil recommendations 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?