Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

In this fascinating video, we journey through the intricate process of building a rotary valve engine from scratch. Watch as ...

Many of you have seen the process of making this rotary valve engine with different intake and exhaust system and how I tried ...

Taking care of your vehicle is vital to ensure it stays in great condition. Your brakes could give you trouble someday, or your suspension could require tinkering, inevitably leading you to an auto ...

Imagine taking the Ducati desmodromic valve system and adding electronic control that provides brief bursts of two-stroke power! The result could be a motorcycle engine that delivers great low-down ...

A few days ago, we published a report highlighting the valve lifter issues some General Motors customers were experiencing in certain vehicles equipped with either its 5.3L V8 L84 gasoline engine or 6 ...

You all know Koenigsegg (hopefully), but most of you have probably not heard about its sister company, Freevalve. Well, prepare to be blown away, because they have unveiled a production specification ...

A hundred years ago, Opel launched its first four-valve per cylinder engine in the 1913 Grand Prix Car, paving the way for a series of four-valve engines that today are more present than ever in the ...

WESTMINSTER, S.C.--(BUSINESS WIRE)--Power management company Eaton has announced its U.S. Engine Valve (USEV) joint venture with Nittan Valve Company, Ltd. will invest $40 million in engine valve ...

GM has issued a Special Coverage bulletin for certain units of the 2023 GMC Sierra 1500 to address a potential issue with the ...