The topic was vibration—the unseen forces going to town inside any engine spinning deep into the rpm stratosphere, and the devices designed to keep those forces in check. First, it’s a damper ...

You might be wary of hanging a heavy hunk of metal on the front of your crankshaft, but a quality racing harmonic damper will actually produce horsepower and help your engine live longer. I have been ...

I recently wrote a piece discussing some of the basic differences between coil springs and leaf springs. But while putting the piece together, I ran into an interesting problem. Despite coil springs ...