What is Fuel Dilution (and Why is it Bad)?

check your oil for vehicle longevity

Fuel dilution occurs when gasoline or diesel fuel infiltrate your engine’s crankcase and dilute, or “water down,” the motor oil.



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.



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.



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

Read More



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 the Fall Carlisle Car Show

Chevrolet chevelle amsoil booth

It was a 1982 Chevy Camaro. Lola was her name. My late husband had saved his hard-earned money to purchase Lola when he was just 15 years old. When he blew the horn, the “Dukes of Hazzard” theme played. He picked me up in it for one of our first dates.



What’s the Minimum I Should Drive My Car? And Other Winter Car Storage Tips

The roads are home to all kinds of vehicles. Daily drivers that clock thousands of miles each year. Seasonal vehicles that only clock hundreds. And then there are some whose odometers move only when being loaded or unloaded from a trailer. In any instance, winter vehicle storage is sometimes inevitable.



Introducing the Three Newest AMSOIL Products

AMSOIL is well-known for its products that protect the internal parts of an engine. But you may not know about our products that protect the outside of your vehicles and equipment, too.



AMSOIL Racing & Events Update

Carson Mumford Loretta's 2018

Hi, race fans! Your resident AMSOIL racing and events expert here with a breakdown of what Team AMSOIL has been up to “On the Track” and what’s to come in our “Staging Area.”