ILSAC GF-6, API SP & dexos: Making Sense of Motor Oil Specifications
AMSOIL synthetic motor oils meet or exceed the latest performance specifications.
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Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.Learn More
Although you might know that synthetic oils outperform conventional oils, you might not understand why. The differences begin at the molecular level.Learn More
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