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 ...

Even if you don't know (or care) what a Btu is, you've probably seen a cooling system react violently once in your life. Usually taken for granted until it screws up, the cooling systems in our cars ...

A car's cooling system is like a linebacker — it's the most important component in a car engine's defense system. It ensures the engine runs at optimal temperatures and prevents it from overheating.

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 ...

Your car's cooling system has one job — to keep the engine from cooking itself. But even with fresh coolant and a shiny new radiator, there's a silent killer that could be eating it from the inside ...

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 ...

Your vehicle's engine cooling system is one of its most critical components. Its primary responsibility is to cycle coolant — which is a 50/50 mixture of water and antifreeze — through your engine to ...

Taking care of your engine is always a top priority. If not done correctly, it could lead to worse overall performance, make your car undrivable, and lead to a costly trip to the auto shop. While ...