A rebuilt Porsche Fuhrmann four-cam engine from the Carrera era is offered for sale following a recent specialist restoration ...

Nothing determines the "personality" of an engine more than the camshaft. Think of the cam as a mechanical computer, calling the shots on when and how the valves open and close. That computer is ...

The Chevrolet Corvette is the last true sports car to use a pushrod V8, and you might not think that's a good thing. After all, overhead-cam engines have been the standard for decades at this point, ...

In Porsche’s long and storied history, few mechanical creations have reached the mythical status of the four-cam flat-four engine. Born in the crucible of motorsport in the early 1950s, it was a ...

Like most things we're not familiar with, many look at degreeing a camshaft as some sort of black magic voodoo that only the most expensive of engine builders in brightly lit "clean rooms" know how to ...

It's appropriate, we think, that a camshaft has lobes, since this relatively simple device is so often called the brains of an engine. And indeed, a camshaft does direct several engine functions in a ...

Combustion engine valvetrains have evolved over time. While flathead and overhead valve designs were more popular in the past, most modern engines run overhead cam designs. Three common combustion ...

A cam phaser is a sprocket which adjusts the position of an engine’s camshaft in relation to its crankshaft and is tuned with a computer-controlled servo. Camshafts control the timing of engine intake ...

Nothing determines the "personality" of an engine more than the camshaft. Think of the cam as a mechanical computer, calling the shots on when and how the valves open and close. That computer is ...