What Is Cetane and Why Does It Matter?

Diesel Gas Pump

In the same way that octane ratings indicate the ignition stability of gasoline, cetane values are assigned to diesel fuel to rate its combustion quality.

Do Motor Oil Additives Work?

What do motor oil additives do? The shelves at your local auto parts store are full of aftermarket motor oil additives and oil treatments that promise a cornucopia of benefits, such as… Increased fuel economy Reduced friction Maximum horsepower Improved engine cleanliness To provide this added performance, aftermarket motor oil additives use different chemical components

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How a Differential Works (and the Type of Gear Lube to Use)

Think of all the devices we take for granted that improve our lives. The refrigerator. The microprocessor. The air conditioner. The spork.

What’s the Difference Between DOT 3 and DOT 4 Brake Fluid?

The primary difference between the two is their respective boiling points. I suspect I know your next question. But first, some background. The U.S. Department of Transportation classifies brake fluid into four main categories:

Are all Synthetic Oil Groups the Same? Group III vs IV vs V

The simple answer No. In fact, there are wide performance differences between base oil categories. Generally speaking, Group IV base oils offer the best performance, Group III second best, and so on in reverse order. But be forewarned – there are exceptions. And, you can’t judge motor oil performance solely on base oil type.

What Happens if I Use the Wrong Weight (Viscosity) of Oil?

It depends on how your engine is built and how it reacts to the specific viscosity of oil you use. That’s pretty nebulous, so here are some examples.

13 Reasons We Love Our Independent AMSOIL Dealers

Becoming an AMSOIL Dealer is as much about joining a team of like-minded enthusiasts as it is about making money. Many of the independent AMSOIL Dealers who distribute our products channel their love of speed and power through rebuilding classic cars, tearing up the motocross track and modifying their vehicles. Here, we present 13 reasons

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How to Fix Diesel Fuel Gelling with Cold Flow Improvers

I don’t know about where you live, but winter in Minnesota hit pretty hard starting in November, and it seems Old Man Winter is fired up and settled in for a long, cold season. For those who love ice fishing, the cold temps make the ice safer, giving us additional opportunity.

AMSOIL 2017 Year in Review (Part 1)

Start Line Geneva 2017

Here at AMSOIL, 2017 delivered a whirlwind of activity from start to finish. From new and reformulated products that further solidified our status as the leader in synthetic lubricant technology, to the loss of our beloved founder Al Amatuzio, it’s been a year of highs and lows unlike any other in our history.

‘Tis the Season for Frozen Diesel Fuel: Here’s What to Do About It

Are you in the holiday spirit? The season is bustling, and everyone is burning the candle at both ends. There’s no time to waste, especially stuck on the side of the road after the diesel fuel in your car or truck froze overnight. Are you prepared?