Quote:
Originally Posted by CZroe
I use Rotella T6 and it is intended for diesel engines. There is a "fuel efficient" descriptor on all synthetics intended for cars which denotes the additives I'm talking about. This is what makes them bad for wet clutches.
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Not all, and not just synthetics.
It's at the bottom of the API "donut" - I know - but look at any 40-grade auto oil. It doesn't have the "Energy Conserving" (Friction Modifiers) like the 30s do.
My point is that even though they (auto 40-grade oils) don't have Modifiers, they still are not a good choice for a cycle engine. People concentrate on the Modifiers part, but there are more important reasons NOT to use it (auto oil.)