Skip to main content

Team AMSOIL

Find out what our sponsored drivers, influencers and builders are doing on the track and in the garage.

What Does Oil Viscosity Mean

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

Browse Articles

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.

Learn More

Get More Great Content Delivered to Your Inbox

Sign up for bi-weekly updates.

*Indicates a required field.