AC C4 Muscle & Classic Car Engine Parts

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.

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

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

Speedway Motors employee Alanna C. talks about the process of tearing down her 1965 Ford Mustang to make room for the Vintage Air A/C kit.

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.

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

I'm sorry to have to tell you this, but the '64 GTO was not the first muscle car.

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

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

Does painting your radiator black affect cooling ability or is it an old wives’ tale? If painted properly your cooling system will be fine.