DeWitts GMC 1000 Series Cooling and Heating Parts

Warranty information for DeWitts aluminum radiators.

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.

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.

Learn about Model A radiator mounting. Speedway employee Tim is installing a 1932 Ford radiator on his roadster. Follow his step by step installation guide.

Learn how to install an external Transmission Cooler, to help keep the temperature of your transmission consistent.

In this guide, Kevin demonstrates how to properly install an external oil cooler in his '54 Chevy Belair with a Big Block Chevy engine.

The process on how to effectively winterize your fuel system in open wheel racing. This includes step by step instructions and recommended parts to use for your fuel system.