Do Motor Oil Additives Work?

Should I use motor oil additives in my engine?

Remember the Saturday-afternoon infomercials for the latest “revolutionary” motor oil additive? I enjoyed one in which a group of mechanics added a bottle of additive to an engine they’d suspended from a hoist. Then they drained the oil, started the engine and lowered it into a tank of water. There it sat, gurgling away and

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Is Synthetic Motor Oil Better than Conventional?

AMSOIL synthetic motor oil 2015 Car Craft Nats Challenger

Yes. Test data repeatedly shows that synthetic motor oil outperforms conventional oil, delivering… Improved wear protection Better extreme-temperature performance Maximum fuel economy Longer service intervals Some of you are undoubtedly thinking, “But I’ve used conventional oil for years, and my engine runs fine.” It’s important to note I didn’t say all conventional oil is junk

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What Do Piston Rings Do?

Piston Rings - Why Does my Engine Burn Oil?

The simple answer: Piston rings form a seal between the piston and cylinder wall, which prevents pressurized combustion gases from entering the oil sump. They also regulate oil consumption by preventing excessive oil from entering the combustion chamber and burning. Properly functioning rings are vital to maximum engine power and efficiency.

Can I Use Diesel Oil in My Gas Engine?

AMOSIL Diesel Truck

The simple answer: Yes, provided the diesel oil meets the appropriate specifications and viscosity requirements of your engine. For example, if your gas engine calls for a motor oil that meets the API SN specification, you can safely use a diesel oil of the correct viscosity that meets the API SN spec.

How to Protect Your Vehicle Against Wear and Horsepower Loss

Most of us know excessive engine wear eventually leads to costly breakdowns and engine failure. But even if your engine doesn’t fail, wear robs your vehicle of power, performance and that “like-new” feeling you crave when driving.

Do You Know the Seven Responsibilities of a Motor Oil?

There are so many things we take for granted and give very little thought to. Air is one of them. We seldom feel a need to understand what happens when we breathe, how oxygen in the atmosphere ends up in our bloodstream so as to nourish the cells of our bodies. Gravity is something else we

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How to Reduce Engine Wear

AMSOIL Sig Series SAE 5W-30

Engine wear is inevitable. But you can take steps to reduce wear and maximize the life and performance of your engine.

Pickup Trucks: Big is the New Small

I was helping my parents move the other day, and it struck me – “Wow, today’s pickups are massive.” Trundling up Highway 53 in northern Wisconsin behind the wheel of my dad’s Ford F-150 felt like navigating a battleship. And many of the trucks on the road dwarf his pickup.

What Oil Does the Fastest GTR in Central America Use?

One of the exciting things about having been involved in AMSOIL advertising more than two decades is all the great testimonials and stories we hear about, some that we can’t even talk about. Last year we received word about a superteam of builders in Panama dedicated to fast cars. Check out this video which is

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Can I Mix Synthetic and Conventional Oil?

The simple answer: Yes. There is no danger mixing synthetic and conventional motor oil; however, conventional oil will detract from the superior performance of synthetic oil and reduce its benefits.