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  • Beyond Expectations: Buick* Lucerne* Rolls Past 340,000 Miles
  • Annual Oil Changes with AMSOIL Extended-Life Motor Oil
  • AMSOIL High-Mileage Motor Oil Goes the Extra Mile
  • SYNTHETIC VS. CONVENTIONAL

    Although you might know that synthetic oils outperform conventional oils, you might not understand why. The differences begin at the molecular level.

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