If you are a gearhead like us, you'll agree that one of the coolest sounds a racecar can produce, besides the exhaust note, is the high-pitched whine of a straight-cut gearbox. Most hardcore racecars ...

There is no complex science behind what straight-cut gears are. It's exactly as it sounds, gears with teeth that run straight out from the center of the wheel, rather than slanting in a spiral. The ...