Every Major Brand’s High Mileage Motor Oil Ranked, Worst To Best

Motor oil is the lifeblood of your vehicle. It keeps the internal components of the engine nicely lubricated so they can continue to operate for as long as possible. It also keeps your engine components from wearing down prematurely, helps dissipate heat, and maintains the engine. Prompt oil changes represent arguably the most important maintenance advice anyone can give to a car owner. After all, old and dirty oil loses its ability to lubricate, which is the whole point

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