4 Seasons Oils

Vacaville, CA

100% Veteran Owned Business

Authorized Dealer

  • tbreckon@sbcglobal.net
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Synthetic Oils

How Engine Sludge Forms. And How To Prevent It.

AMSOIL Signature Series, MOTOR OIL, Synthetic Oils /

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 »

What Happens if I Use A Thicker Oil in My Engine?

motor engines, Synthetic Motor Oil, Synthetic Oils /

AMSOIL recommends using the viscosity the manufacturer recommends. But using slightly thinner or thicker oil “likely” will not cause any harm. Todays moderns engines are built to a lot tighter tolerances than years before. This allows for the use of lower viscosity oils. It also reduces internal friction of moving engine parts.  Using a lower

What Happens if I Use A Thicker Oil in My Engine? Read More »