All cars are air cooled! Anyone who doesn't think so should try driving with the radiator covered. True, the engine is liquid cooled. The liquid—calledcoolant—may be water, alcohol and water, ethylene ...

With all the miles expected of today’s engines, keeping the cooling system up to par is essential and a constant challenge. However, Penray says it has two cooling system cleaning products that can be ...

The saying goes something like this: “When you take care of something good, that something good takes care of you.” The same can be said for taking care of maintenance on a heavy duty engine. Whether ...

It may not be summer yet, but it's coming! If you have experienced the high temperatures that can be generated during the summer months—especially while towing in the heat—we have a suggestion for you ...

The fields along America’s highways once covered in frost are now fully sprinkled in morning dew, indicating spring has sprung and summer is on its way. Soon, sweltering heat will pour down from the ...

Author's note: In the Jan. '09 issue of HPP, the technical article "Keep a Cool Head" described installing Evans NPG coolant in a Pontiac engine, along with other modifications. Due to the varied ...