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 ...

For the record, a V-8's cooling system is the most forgotten and neglected part of any hot rod. We speak from firsthand experience. It used to be that you could replace a factory 195 degree thermostat ...

The radiator fan (or fans) pulls cooling air through the car’s radiator. Positioned between the radiator and engine, cooling fans are particularly helpful when the car is stationary or moving at ...

Heavy-duty truck cooling systems are going to have to work even harder when 2007 and 2010 emissions regulations go into effect. In anticipation, the makers of truck fans and fan drives have been ...

The demands on modern engine-cooling systems are complex. Although increased performance, reduced fuel consumption, longer durability and cleaner emissions may appear to be at odds with each other, ...