AC Muscle & Classic Car Electrical Testers

Wiring of your race car or hot rod can be completed at home with these helpful automotive 12 V wiring tips.

Learn about the installation process for a Vintage Air SureFit Air Condtioning Kit. Alanna C. walks you through as she installs the A/C kit in her 65 Mustang.

Learn the importance of proper electrical grounding and how it affects not only starting, but accessories and lighting as well.

Whether you're trying to troubleshoot engine issues or want to get an idea what's going on inside that junkyard jewel that you just hauled home, a leak down test is a great way to ascertain the condition of an engine's cylinders without pulling it apart.

Who gets your pick as the best manufacturer from the golden age of the muscle car wars?

Prepare your classic muscle car for autocross competition by exploring the best options, beginner tips, and essential suspension upgrades.

If you had to pick only one-is it a hot rod or a muscle car?

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.