The urge to rip the beating heart out of one beast and shove it into the leaner body of another is older than Doc Frankenstein's ponderings on defeating death. It's the heart and soul of hot-rodding, ...

Matt Drouin's work as a subcontracted master technician for Underground Racing in Charlotte, N.C., puts him behind the wheel of mega-horsepower customer cars on a daily basis. When the time came to ...