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 ...

A car overheating in traffic but not at highway speed almost always has a cooling system problem involving airflow rather ...

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 ...

I had the radiator serviced on my car; just preventive maintenance. I noticed on the repair invoice I was charged for a cooling system additive.

Checking up on your coolant is easy to forget, but an engine’s coolant is just as important as oil when it comes to your car. Coolant does raises the boiling point of the cooling system in summer, ...