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Information Related to Engines and Engine Oil

AMSOIL Signature Series Leading the Field in Deposit Protection

Testing proves AMSOIL Signature Series 5W-30 Synthetic Motor Oil provides more complete protection against damaging engine deposits than its competitors.

What Are The Causes of Oxidation In Oil?

All motor oils will eventually oxidize to some extent. However, we can dramatically slow oxidation through use of synthetic base oils and quality oxidation-inhibitor additives.

Perfect Pairing of Oil And Oil Filter for Complete Engine Protection

Combining premium motor oil with a premium oil filter is necessary for total engine protection. AMSOIL provides both.

New Oil Technology Needed to Prevent Super Knock

A potentially catastrophic problem is surfacing in today's engines. Here's how AMSOIL is working to solve it.

What is the function of piston rings?

Properly functioning piston rings are vital to maximum engine power and efficiency.

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