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, ...

People love a great big supercharger. You know, the kind that you'd see sticking out of the hood of a classic American muscle car or out of the last of the V8 Interceptors. They're amazing, but what ...

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, ...

Originally used during the late 1800s to do the blasting in blast furnaces, the Roots-style air pump is older than the automobile. It’s very simple, inexpensive and, most importantly, it can move a ...

Whileintercoolersare built right into a roots blower’s case, they’re often optional in centrifugal supercharger kits. An intercooler is just acore(in centrifugal systems, it looks like a radiator) or ...