Quote:
Originally Posted by Nasty Sausage
What is your opinion on the rate at which the Motul 8100 0W20 degrades at, say, 10k miles compared to the Red Line and Amsoil? I am hesitant to try it because I just noticed that they do not publish the NOACK volatility on their website. I know this isn't an end all be all, but it's a decent corollary to the oil stock quality.
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Red Line has never been a long drain oil, although I believe that you can find a few 10k or so uoa's on the 20 grades if you search. And any uoa's on Motul 0W-20 8100 is rare. And most people that use Blackstone don't pay for the TBN.
Motul may provide NOACK info if you ring them up. Google Motul Pomona CA and ask for their Technical Dept.
The king of NOACK is turning out to be some of the SOPUS oils with Pennzoil Ultra and their GTL base stocks having better NOACK than both Red Line and Amsoil among some grades. They only have a 5W-20, which has a 5% NOACK. Of course, TBN is lower than Amsoil but it could probably handle 7,500 mile and beyond intervals.
Oops.
-Dennis