How to Pick the Right Motor Oil for Your Car

conventional and synthetic oil

The glut of motor oils available can quickly induce analysis paralysis. How do you pick the right motor oil for your car?



Use This to Keep Mud Off Your ATV, Dirt Bike and More

Keep Mud of Your ATV with Mudslinger

If you spend your time racing down muddy trails or forging questionable terrain on your ATV, UTV, dirt bike, off-road truck or snowmobile (well, snowy trails for the latter), AMSOIL Mudslinger is about to be your best friend.



What to do About Frozen Diesel Fuel

frozen diesel - thermometer in winter

What if I told you AMSOIL has a product that provides as much as 32ºF better protection against cold-temperature diesel fuel gelling than Howes Lubricator Diesel Treat*? You know – Howes, one of the largest diesel fuel additive companies in the U.S.



The Diesel Upgrade that Should Top Your List

Diesel Power Challenge 2016

Enthusiasts who build serious diesel power are a special breed. They can invest the value of two new Toyota Tacoma trucks into a single truck capable of 1,200 hp and 2,100 lb-ft torque.



Why Does Motor Oil Turn Black?

How to change your oil

What causes black motor oil? And when your oil darkens does it mean it’s time to change it? Well, there are a couple of factors that can cause the former. Let’s dig in. Factors causing black motor oil Heat cycles naturally darken motor oil During your drive to work in the morning, your engine reaches

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Should I Switch to a Lighter Viscosity Oil in Winter?

frozen diesel - thermometer in winter

Motorists sometimes ask if they should use a lighter viscosity of motor oil once winter arrives. Yes – provided your vehicle manufacturer allows it. 



How Oil Consumption Affects Your Turbo Diesel’s Exhaust System

Diesel Truck - differences between gas and diesel engines

Ever wonder why engines have that long wiry thing with the small plastic handle? A.K.A. the dipstick? “Come on, Mark, it’s for measuring proper engine oil volume,” you say.



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.



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.



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

Glowing red brake rotor from heat

The primary difference between DOT 3 and DOT 4 brake fluid is their respective boiling points. I suspect I know your next question. But first, some background. The U.S. Department of Transportation (DOT) classifies brake fluid into four main categories: