Diesel Fuel Injector Problems: An Easy Solution

ULSD can lead to diesel fuel pump and injector problems due to insufficient lubricity. Here’s what you can do about it.



The Pros and Cons of Semi-Synthetic Oils and Synthetic Blends

How to check oil properly

Generally speaking, synthetic blends and semi-synthetic refer to the same thing: an oil that uses a combination of conventional and synthetic base oils in its formulation.



Why Does Motor Oil Turn Black?

How to change your oil

Find out why motor oil turns black and how that may affect your engine and, more importantly, if it signals the time for an oil change.



How Often Should I Change Front or Rear Differential Fluid?

Chevrolet silverado 1500 Towing Camper

How often you should change front and rear differential fluid depends on your vehicle, driving conditions and differential fluid quality.



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:



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.



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.