Modern engines are cleaner and more efficient than the ones you grew up with, yet many drivers are discovering a new headache ...

A camshaft's intake closing point has more effect on engine performance than any of the other three opening and closing points. The earlier it occurs, the greater the low-rpm cranking pressure. Early ...

Ferrari was so proud of its five-valve cylinder heads, it changed a naming convention that ran back over 25 years. For its previous mid-engine two-seaters, the three-digit name was derived from ...

Hyundai claims it has created the world's first Continuously Variable Valve Duration (CVVD) engine technology, which it says increases engine performance by 4 percent and efficiency by 5 percent. The ...

MM&FF And Livernois Motorsports Team Up To Test Ford Racing's Newest Intake Manifold For Three-Valve Mod Motors. The anticipation of Ford Racing Performance Parts' (FRPP) new Three-Valve intake ...