Do I need a Diesel Coolant Additive?

Semi trucks lined up

Adding a diesel coolant additive, or supplemental coolant additive (SCA), midway through the service interval is easy to overlook and fraught with problems. Here’s a better way.



2019 AMSOIL Year in Review: Product & Company News

2019 was another eventful year at AMSOIL. We introduced several new products and continued to pace the industry. Check out all the highlights here.



What Is Diesel Cetane and Why Does It Matter?

Diesel truck

Diesel cetane indicates the combustion speed of diesel fuel. Higher cetane ratings lead to maximum engine power and efficiency.



Living the Dream with Weaver Customs

Randy and Sydney Weaver, of Weaver Customs, keep raising the bar for show-stopping custom vehicles. Check out their latest build…and watch their story.



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.



Ultimate Callout Challenge 2019: Our 12 Favorite Builds

Here are our 12 favorite builds from 2019 Ultimate Callout Challenge. Plus, Kenny Hauk shows off his 1947 Dodge Power Wagon.



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.



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.



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.