Horsepower is an aphrodisiac. To some people, building an engine that could sustain the earth's rotation with its crankshaft is better than almost any form of physical gratification. To others, it's ...

A wastegate is an item typically associated with turbo systems, but Detroit-area Stenod Performance has found great success by weaving them into supercharged engine systems to boost torque. In fact, ...

Gearheads chase horsepower like it's a search for the Holy Grail. Anything and everything that can make a car go faster, we will try, including slapping an engine-driven air pump under the hood. Or, ...

Boost! For fixing the stock torque and horsepower curves on the dyno chart and roasting rubber with a tap of the throttle, nothing beats it. And for producing a big kick in the seat when you punch it, ...