Compression: An automotive term used by everybody, forever. Let's get into some detail and maybe develop a better understanding. Pressure, and more pressure: It's a must-have to produce power within ...

While we like to think of 2002 as being part of a high-tech age, our beloved internal combustion engine hasn't really changed much in the last 50 years. We're still using pushrods and overhead valves, ...

We earn commissions from purchases you make using links in our articles. Learn more. Every single car has valve stem caps, but let’s be honest—they’re all really boring. In fact, most cars come with ...