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The accumulation of contaminants and chemical changes in the motor oil eventually make it unfit for further service.
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“I’d always known AMSOIL was good, but this proved it. AMSOIL is the best.”
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Motor oil myths abound. Here are five of the most persistent along with our myth-busting facts.
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Find out everything you need to know about synthetic vs. conventional motor oil.
Motor oil, whether synthetic or petroleum-based, consists of molecular chains of hydrogen and carbon atoms, referred to as hydrocarbons. Petroleum...