You walk into a Chevy dealership, stroll up to the parts counter and ask for a fuel pressure regulator for the fuel injection on your Corvette. "What year?" asks the parts man. "1979," you reply.

One of the turbo engine's most iconic sounds is called the turbo flutter. That "stu-tu-tu-tu" sound the Nissan Skyline GTR R34 makes as the throttle closes is the sound of compressed air escaping past ...