I used standard Pennzoil until the vehicle called for synthetic and then I switched to Mobile 1. I drove 200K miles on two vehicles and nearly 100K on a few more with no oil-related problems. Can't say what is best but that worked for me.
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Why do people insist on making claims without looking them up first, do they really think no one will check? Proof by emphatic assertion rarely works.
Confirmation bias is real; I can find any number of articles that say so.
Victor, NY - Randallstown, MD - Yakima, WA - Stevensville, MD - Village of Hillsborough
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