There are many ways to add power to your vehicle. It ranges from the cost-efficient modifications you can make to the more expensive engine and supercharging upgrades your mechanic will have to ...

As always, there are limitations to how much power can be added to any given combination of load and/or engine speed. Not only is there a limit to the amount of total fuel and power that can be added, ...

We're sure you've heard the stories about how nitrous oxide was first pioneered on German fighter planes during World War II--the Focke-Wulf and Messerschmitt interceptors used nitrous in conjunction ...

Cold air is good. Hot air is bad. Every gearhead, young and old, is familiar with this line of thinking. We buy hoodscoops, cold-air intakes, and all other manner of contraptions to help feed our ...

Arguably the coolest part of the BMW M4 GTS is its water-injection system, a production-car rarity. It was a big part of how BMW was able to turn up the standard M4's 3.0-liter twin-turbo inline-six ...

Coyote Power Play: When 670 crank horsepower isn’t enough, there’s always 728 wheel horsepower without changing the tune If you’re reading this and you don’t know the name Kenny Duttweiler, stop. Go ...

Water injection, sometimes used in conjunction with methanol, is a time-honored method of reducing intake temperatures, ...