When it comes to ignition, plug wires are often the Rodney Dangerfields of the system. This is a misconception because while not the glamour boys of automotive electronics, spark plug wires play a key ...

Nitrous oxide is simply the quickest, easiest, and least expensive route to more horsepower on the market today. Even an amateur can bolt on a 125hp kit and add 50 percent more power in a couple of ...

Frankly, you'd think this subject would have been exhausted by now. After all, how much "borderless education" can you absorb about such common and oft-explained engine functions as getting rid of ...

You've built a great engine with lots of power. Now you need to keep it cool. All too often we see guys build fantastic cars, but neglect to pay attention to a critical component that keeps everything ...

We may receive a commission on purchases made from links. Owning a vehicle is an expensive undertaking, especially with the cost of gas on the rise again. Repairs can also be costly and difficult to ...

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 ...