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 ...

The Ford Motor Company (F) is recalling 90,736 automobiles due to engine intake valve issues that could lead to accidents. The National Highway Traffic Safety Administration (NHTSA) reported on ...

For Part I, covering the new combustion system, direct injection, and active fuel management: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. Continuing ...

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 ...

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 ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

When it comes to the many variables of combustion inside an engine, engineers measure the timing of key events in degrees of crankshaft rotation, a relative frame of reference that remains constant ...