You've probably read this line a dozen times: "It's never been easier to make horsepower than right now." While that's true, it also means everything else in the engine is now more highly stressed.

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

Any Chevy engine, if it's well-modified or just slightly warmed-over, requires a good set of valve seals. Originally, a small rubber O-ring, fitted in the second valve stem groove, served as the only ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

With The modular Mustang world chock-full of Two-Valve motors, it's only natural that Mustang owners figure out the best way to modify them for increased performance. While it's true that the ...

The Ford Cosworth YB engine is one of the most receptive engines to tuning that Ford has ever produced. Let’s take a look at how to extract those impressive power figures from the mighty Cossie motor… ...