Willys Americar Cooling Fan Relays

Learn how to wire dual electric radiator fans. Use our dual fan wiring diagram and guide to make sure you properly wire your fans to your thermostat.

This veteran of the legendary "gasser wars" of the 60s looks right at home in the Museum of American Speed.

What electric cooling fan is right for you? This Tech Talk will take you through some key questions to consider when choosing a cooling fan for your radiator.

Learn how to choose the best radiator for your vehicle. Our guide covers key factors to consider when selecting an aftermarket radiator for your hot rod, muscle car, or classic pickup.

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

In this Tech Tip, John offers some guidance to a customer looking to cool his 1946 Ford Sedan.

What is the purpose of a fan shroud? Do you even need a fan shroud? Learn why you need a fan shroud to keep your engine cool and at peak performance!

How to maintain coolant temperature for a Big Block Chevy engine. Installation instructions for a double pass radiator and electric fan in a 1954 Chevy Bel Air.

This Chevelle project gets rewired with a Speedway Motors 22 Circuit wiring kit. Follow along as Jeff guides you through this application, starting with a good mounting location for the fuse box. Learn more on continuity, grounding and relays.

Little is thought of your engine’s starter until it refuses to turn your engine over at the worst possible moment. Today’s powerful mini starters can crank the biggest engines with ease. Learn how in our buyer’s guide.