Racing Differential Fluid

Learn what gear oils do for your differential and how to choose the best gear lubricant for your application's needs

We help determine what are the best 10-spline quick change gear ratios for your street or racing needs

Comparing open diff vs limited slip vs locker differentials. Learn how each works, pros and cons, and which is best for your build.

The pros and cons of a welded diff vs open diff, plus what to know before learning how to weld your differential.

A brief overview of the steps Speedway Motors takes to ensure you get a quality differential.

A short article explaining the main differences between open and limited slip differentials.

Learn the difference between DOT 3 and DOT 4, or DOT 5 and DOT 5.1. Every type of brake fluid has a specific boiling point and water absorbing quality.

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!

Learn how to corner balance a car for optimal weight distribution and performance.

Lake Speed Jr., from Driven Racing Oil, answers the question "what viscosity grade should I run". He explains what viscosity really means and some key factors to keep in mind when selecting the right viscosity grade for your engine and application.