4 Seasons Oils

Vacaville, CA

100% Veteran Owned Business

Authorized Dealer

  • tbreckon@sbcglobal.net
  • (707)330-8892
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Synthetic Oils

Z-ROD® Keeps Classic Vehicles Street-Ready

Hot Rods, Synthetic Oils, zrod /

Keeping our vintage hot rods protected during storage times and inactivity makes many collectors anxious when it is time to be street ready. Older engines were built with flat-tappet cams and splash-lubricated components which when stored for long periods of time can be exposed to moisture creating humidity-driven rust and corrosion. Zinc dialkyldithiophosphate (ZDDP) is

Z-ROD® Keeps Classic Vehicles Street-Ready Read More »

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 »


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