01] Steel shafts are pressed into the ends of the rotors and pinned in place. A No. 6 taper pin is used for engines making less than 2,500 hp, and a No. 8 pin is used for more serious stuff. The ...

Dodge’s Direct Connection offers drag racers and horsepower junkies the opportunity to buy the same parts that power the brand’s Scat Pak sportsman racers, including full crate engines. At this year’s ...

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 ...

There's nothing pragmatic about a Roots-style blower. It's a big, bulky monster that requires hacking up the hood. It's also a technological simpleton, predating Larry King. Worst of all, it's ...