4 Seasons Oils

Vacaville, CA

100% Veteran Owned Business

Authorized Dealer

MOTOR OIL

How Does Synthetic Motor Oil Increase Fuel Economy?

AMSOIL Synthetic Motor Oils Increase Fuel economy. Good Video on what happens to Amsoil 5-30 motor oil and conventional 5-30 motor oil when exposed to -40 degrees. AMSOIL still flows AND conventional oil barely moves! This article discusses in depth how a synthetic oil increases fuel economy without compromising wear protection and why a synthetic […]

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How Engine Sludge Forms. And How To Prevent It.

AMSOIL Signature series motor oils provides 90% better protection over other motor oils and has 50% more additives to fight sludge build up. Engine sludge forms and can wreak havoc on engines… this article tells how to prevent it! This article will show the effects of sludge-how synthetic oil and additives prevent sludge. And how

How Engine Sludge Forms. And How To Prevent It. Read More »