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 ...

When automatic transmissions are doing their job right, you might not even notice they're there. However, there are some ...

Changed axles instead of gears. The dirt track trick explained. A simple change that can completely transform how a race car ...