Which of These Competitors Will Win the 2018 Diesel Power Challenge?

Diesel Power Challenge 2016

Once again, the 2018 Diesel Power Challenge is upon us with 10 competitors and 1 alternate gearing up for another battle of the diesel-fittest.



A Beginner’s Guide to Motor Oil: What You Need to Know

working on willys jeep

If you awoke this morning asking yourself, “Gee, I wonder what there is to know about motor oil,” you’re in luck. Here, we present a primer on motor oil fundamentals.



Should You Use Diesel Competition Oil?

dodge ram 5.9 cummins dyno pull

April is here, and for those who love to spend time at the drag strip challenging their reaction time, on a dirt strip hooked to a sled, or tied down on a roller dyno grunting for power, the diesel competition season is upon us.



Why Does My Car’s Engine Burn Oil?

tailpipe exhaust smoke burning oil

The simple answer: It’s probably wearing out. Over time, the piston rings have likely become worn or stuck in their grooves, preventing them from sealing tightly against the cylinder wall.



What Is Cetane and Why Does It Matter?

diesel gas lines 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?

conventional and synthetic oil

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?

Glowing red brake rotor from heat

The primary difference between Dot 3 and Dot 4 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

Amsoil quality control oil testing

The simple answer No. In fact, there are wide performance differences between base oil group 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?

Amsoil signature series oil weight scale

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.