4 Seasons Oils

Vacaville, CA

100% Veteran Owned Business

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synthetic oil

How Synthetic Oil Is Good For Your Automobile

What is synthetic motor oil? AMSOIL synthetic lubricants are chemically engineered to form pure lubricants. They contain no contaminants or molecules that don’t serve a designed purpose. Because of the molecular structure of synthetic oil there is less friction on moving parts which increases fuel mileage. Conventional lubricants, on the other hand, are refined from […]

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AMSOIL 5-30 Signature Series wins when tested against 17 other brands

This is a great video initiated by an independent person interested in finding out how 17 synthetic oils performed.  Amsoil did not sponsor this comparison. Testing of all the oils was done by an independent lab for factors like the ability to flow in cold weather, evaporation, and wear.  There are a lot of good

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