Cylinder head porting is an advanced area of car tuning, so to help you get around what it all means, we take a closer look at the sure-fire way to improve an engine’s performance potential. You may ...

After years of struggling with weak little cylinder heads (andstillgoing fast), Mopar racers finally have a good selection of aftermarket heads. There are choices from boogie-deluxe Pro Stock heads to ...

Last month we brought you the introduction to the head swapping guide, as well as the Ford, Chrysler and American Motors information. As promised,. here's the conclusion, with all the General Motors ...

Our mechanic takes us through the cylinder head and valve train and continues his explanation of how engines really work. The Mechanic is the kind of chap who eat, sleeps and breathes engineering.

When the 30-year evolution of the late-model Mustang hobby is assessed solely from a bolt-on-parts perspective, there is no arguing that a lot of progress has been made over the course of those three ...

In the market for a huge power increase? Then you're probably looking at getting a set of ported aluminum heads on your GM car or truck. Here's a sampling of what's available from the aftermarket ...

I worked as a machinist in an automotive machine shop in the early 1980s before my career took me into the aerospace sector. The shop's high volume of mundane engine rebuilds and turning brake drums ...

American publisher Charles Knight was not at all impressed with his new 1901 Knox ‘gasoline runabout’. Like some other cars of the era, its four-stroke engine relied on a single valve to permit both ...