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 ...

EL SEGUNDO, Calif. -- In a playful moment, Ron Goldstein, elegant in his pinstriped suit, is using electronically-controlled engine valves to tap out the familiar beat of "Shave and a Haircut." The ...

An engine is like a safe deposit box with two locks. You can unlock one of these with such keys as carburetors, manifolds and ignition. But you can't open it up and get all the performance you want ...

The PCV valve (positive crankcase ventilation valve) is a vital part of the emissions controlsystem on most vehicles. Not every vehicle has a PCV valve, but most do. If yours has one, and if your ...

The theory behind one man (or woman) being the caretaker of a single engine as it rolls down the assembly line is not new. Other performance-machine makers, such as Ducati, have experimented with it ...

Cars' engines have to resist tremendous pressure and heat up to 3,000 degrees. So what in the world is a soft, explosive ...

It’s well known that, years ago, some genius at AMC decided it would be a good idea to put plastic valve covers on Jeep 4.2L (258ci) engines. Unfortunately, it didn’t take long for them to start ...

Engineering outfit FreeValve, a sister company to Swedish supercar marque Koenigsegg, is developing a new type of engine that does away with the camshaft. The so-called “camless” engine relies on ...