Sport Mod Engine Oil Additives

Dirt modified racing delivers high-horsepower, adrenaline-fueled action, learn more about them and their racing classes

Classic cars ran on normal motor oils for decades, so why change now? The answer lies in the evolution of gasoline engines and how motor oil has co-evolved.

How does ZDDP or zinc help my engine live longer, what does ZDDP do and why is it important to use ZDDP oil in my engine?

Overheating is a major cause of DNFs and damaged engines. We'll go beyond the cooling system for solutions to your overheating issues.

Explore dirt stock car racing’s key terms, classes, rules, parts, and tips for success in this ultimate guide for new competitors.

Do I need break-in oil for my engine and why. When should I not use an engine break-in oil? What do I look for when choosing a break-in oil?

Speedway Motors, a manufacturer, retailer, and distributor of high-quality automotive parts and racing products, will introduce new racing products in their booth (#4101) at the 2025 PRI Show Dec. 11-13 in Indianapolis, Ind.

A look at some LS Oil Pans for your swap project. Our video guide walks you through some great options.

Take your crate motor racing to the next level with these tricks and tips that won't get you in hot water with tech officials!

What is the best engine to swap? Discover the top engine swap options, including LS, Hemi, and Cummins, and find the best engine swap for your build.