Can I Use Diesel Oil in My Gas Engine?

You can use diesel oil in a gas engine provided the diesel oil meets the appropriate specifications and viscosity requirements of your engine.



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 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?



What is the Shelf Life of AMSOIL Synthetic Lubricants?

Pouring oil

AMSOIL synthetic lubricants are designed to retain their original performance after a reasonable period of time in your garage or storeroom. Proper storage ensures the freshest, most effective products possible.



How Much Oil Does My Car Need?

The answer seems simple: probably about five quarts. But, if you drive a small car with a four-cylinder engine, it’s likely closer to four quarts. However, the V-8 engine in your truck could require about seven quarts. My in-laws’ RAM diesel pickup takes 12 quarts of motor oil.



What Causes Engine Oil Oxidation?

How to change your oil

As you might expect, oxygen causes engine oil oxidation. Oxygen comprises about 20 percent of our atmosphere. It’s the third most common element in the universe. Without it we’d all be doomed. And yet too much of it can cause problems inside your engine.



Presenting the 2018 SEMA New Product Showcase Entries

The world-famous SEMA Show, in Las Vegas, is just around the corner. We’re gearing up for another exciting year with our peers and fellow enthusiasts. SEMA is where industry movers and shakers gather to share the latest and greatest automotive manufacturing technology.



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. 



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

Expedition Colorado - 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.