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 ...

A thermostat is an essential component of an automotive engine cooling system. While most cars have one, some have two thermostats. Here's why.

Drivers under pressure to save time and money often cut corners on basic upkeep, and one shortcut in particular is quietly ...

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 ...

A heavy-duty truck’s cooling system is primarily designed to prevent the engine from overheating. Secondary tasks are to provide heat to the cab and, in some cases, the trailer. Today, cooling systems ...

When you cut to the basic principles of heavy-duty trucks it comes down to return on investment: maximum mpg, meeting emissions requirements and the truck running at optimum conditions and ...

In the classic air-cooled VW boxer engines—and even current motorcycle, ATV, and aircraft configurations—engine cooling is achieved through airflow alone. Cast cooling fins, surrounding cylinder ...

We all know hot trucks are cool. On the other hand, trucks that run hot aren't cool. There's nothing worse than steam coming out from under the hood of your prized pickup while boiling coolant pours ...