jdub;1578076 said:Actually all Motul 8100 series oils are ester based (like Red Line) - you can run that oil 8-10K easy. Ester reacts differently to heat than PAO - you have no need to worry about the color. It will darken over time.
jdub;1578324 said:That's what I understand, unless Motul changed base stocks on me (entirely possible). Even if it is a PAO, you can still run it 8K easy (GC is PAO)...Motul is an excellent oil, especially for free![]()