Funny Car Differentials

The '21 season marks the 70th year of NHRA drag racing. Here's look at a few great drag cars from that 70 year history from the Museum of American Speed.

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.

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

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

Here are the hot rods, muscle cars, and race cars that you loved the most from 2021!

Print these fun car coloring pages for your kids! From the early years of Speedway Motors to hot rods and race cars, there are scenes for everyone!

Happy Father's Day from Speedway Motors! Here are a few of our favorite stories about dad.

Check out a few of our favorite oddballs and amazing survivors from the Museum of American Speed!

What is it like growing up going to car shows? This story explains how attending car shows is a way of life and how the tradition is passed on from generation to generation.