Ford Escort Differentials

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

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

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

Speedway product guru Jeff K. wants to introduce you to another of his projects, "Elmer". There's a long history with Jeff and this vehicle, best told by Jeff himself.