4 Seasons Oils

Vacaville, CA

100% Veteran Owned Business

Authorized Dealer

  • tbreckon@sbcglobal.net
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motor engines

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 […]

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AMSOIL Signature Oils fight “Boil Off” or Volatility

Heat Volatility, motor engines, performance /

Newer engines equipped with performance-enhancing technologies like direct fuel injection and turbochargers, generate increased heat more often then older models. If you’ve owned a vehicle that used oil at irregular intervals you might have experienced “boil off” or volatility. At elevated temperatures during severe service especially in the summer months, oils lighter molecules can boil

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