Located in that head are two cam-operated valves: an intake valve which when open can admit fresh air-fuel mixture to the cylinder, and an exhaust valve which when open releases spent combustion gas ...

Premium touches that are similar include forged-steel crankshafts, 10.5:1 compression ratio, and large 2.165-inch diameter intake and 1.670-inch diameter exhaust valves. The 7.3L Megazilla V8 gets ...

At only 120 lbs, the new V2 is the lightest twin-cylinder in Ducati’s history, featuring variable valve timing and ...

Ford agrees to an extended 10-year warranty following a two-year NHTSA investigation into faulty EcoBoost engine valves ...