Which M1 oils are true synthetics

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Originally Posted By: kschachn
Originally Posted By: FordCapriDriver
no no no this is not a troll thread i'm not an expert on base stocks and all i've heard is that Mobil 1 has switched to a highly refined Grp III mineral base stocks to combat the costs of Group IV PAO base stocks, i don't know if this is true i just wanted to know.


This has been answered already. Why do you keep asking the same question?

I'm not asking the question again i was just clarifying that i was not trolling and it was a honest question i understand it now.
 
There is no API "Full Synthetic" uber performance criterion. "Synthetic" is a marketing term in North America. Use manufacturers groups (ILSAC or ACEA) and individual manufacturers specification approvals when seeking performance from a lubricant.
 
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