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As a fan of Mobile 1, yes, it's shit oil.
As an older dude before synthetic oil came around, penzoil was the worse oil on the market. Same level as a Fram filter.
Today's synthetic oil it's pretty much even in all brands.
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New daily driver - Subaru BRZ Premium
Weekend fun/track car - '91 MR2 Turbo Gen3
Old daily driver - '88 MR2 Supercharged
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