When Should You Not Use Full Synthetic Oil?
Full synthetic oil isn't always the best choice. Learn when conventional or high-mileage oil is safer for older engines, break-in periods, flat tappet cams, and budget vehicles.
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Full synthetic oil isn't always the best choice. Learn when conventional or high-mileage oil is safer for older engines, break-in periods, flat tappet cams, and budget vehicles.
View more