Checking and adjusting the camshaft timing can be a little bit intimidating to racers or first-time engine builders because it is a bit complex at first. But it is also vitally important because ...

This diagram shows the major cam events through one full cylinder cycle (two crank revolutions or 720 degrees), beginning at TDC firing. The exhaust lobe and valvetrain is closer to the front, and ...

They say Rome wasn't built in a day. The same should be said for any well-built Porsche 911 motor. They both took some time to be designed. So, hot-rodding my own 911 engine proved to be a maddeningly ...