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  • Prep Your Vehicle Now for Your Summer Road Trip
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    Ask AMSOILCars & Trucks

    Prep Your Vehicle Now for Your Summer Road Trip

    One thing that can dampen the good vibes of a summer road trip is car trouble.
  • What Do Spark Plugs Do?
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    ATV/UTVMarineMotorcyclesSnowmobileSmall EnginesDirt BikeCars & Trucks

    What Do Spark Plugs Do?

  • Do Fuel Additives Work?
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    Cars & Trucks

    Do Fuel Additives Work?

    As the data show, AMSOIL P.i.® is a potent fuel-injector cleaner that works after one tank of fuel.
  • How to Fight Ethanol Problems in Small Engines
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    Small EnginesProduct HighlightsAsk AMSOIL

    How to Fight Ethanol Problems in Small Engines

    Small-engine manufacturers warn that ethanol can dissolve plastic and create harmful deposits, leading to costly repairs. Here's what you can...

    • SYNTHETIC VS. CONVENTIONAL

    Although you might know that synthetic oils outperform conventional oils, you might not understand why. The differences begin at the molecular level.

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