Willys 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.

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.

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

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.

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.

This tech talk reviews the advantages of swapping out a stock style down flow radiator in a '54 Bel Air with a BBC, to a double pass cross flow radiator. Kevin and Joe also discuss some of the modifications that will have to be made.