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 ...

Freeze plugs don't make your engine freeze up, and they aren't useful only when it's freezing out. They're a crucial part of your car's defenses year round.

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 ...

Several components in your car hold coolant, often called antifreeze, and any of them can get a hole or develop a leak. If your car loses too much coolant, its engine could overheat. Coolant is also ...

Newer engine coolant may be designed to provide freeze protection and water-pump lubrication for up to 10 years, but this doesn’t help guard your vehicle’s engine against contamination-related ...

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 ...

Along with power, internal combustion engines make heat. They actually create so much heat that if it isn’t adequately channeled away, it can potentially damage an engine beyond repair. To solve the ...