An open-loop cooling system, also called raw water cooling, draws water directly from the body of water the boat is floating in, whether it's saltwater or freshwater. That water is pulled through a ...

As engines get very hot, coolant helps distribute heat to help prevent overheating and engine damage. It also adds antifreeze protection and acts as a lubricant for some of the engine’s components. If ...

The "hot" in hot rod has meaning. High-performance engines make power through heat. Heat is as much a part of the performance equation as fuel, air and spark. Heat expands air and provides an optimum ...

Stricter emission standards, new pedestrian safety laws and the relentless push for reduced fuel consumption have triggered a flow of engine cooling innovations. Matthew Beecham reports on what’s in ...

Elizabeth Nelson, coolant program manager at Polaris Laboratories, a fluid-analysis company in Indianapolis, Ind., tells a story that would strike fear into the heart of any fleet manager. A class-8 ...

If your car’s coolant level drops and the A/C suddenly stops working, it is often a sign of engine overheating. Acting ...