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 ...

Looking to wring out a bit more power from your Chrysler engine? Here are the pros and cons of altering the intake manifold ...

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 ...

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 ...

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 ...

Special offer Yamaha Badger 80 Plastics Intake & Exhaust Valve Set For Yamaha Badger 80, Raptor 80, Moto-4 100, Grizzly 80 ...

Trident Emergency Products’ AirMax Intake Relief Valve is an air-operated, remote-controlled intake relief valve design with panel control adjustment from 50 to 300 PSI. Competitive remote-controlled ...