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 ...

Engines work best when the right things happen at the right time. For instance, when ignition spark happens too late, you might embarrass yourself on the dyno; when it happens too soon, you might end ...

Even the most seasoned engine builders usually feel uncomfortable when conversation drifts to the intricacies of camshaft design. Surprisingly, the common termsduration,lobe separation angle, and ...

You lean on the throttle and your classic Ford runs like it's chained to a tree. Maybe it's overheating or the exhaust headers glow red-hot under a light load. Performance and reliability begin with ...

A camshaft uses egg-shaped “cams” to open and close engine valves (one cam per valve), while a crankshaft converts “cranks” (the up/down motion of the pistons) to rotational motion. Located in the ...