Cylinder head porting is one of those garage mods that lives somewhere between speed-shop legend and flow-bench science. Also referred to as port and polish, the idea is simple: Open up the intake and ...

To see firsthand what goes into building a set of heads, we spent an afternoon with JMS' Pete Hillemeyer, a guy who's been building cylinder heads for more than 20 years. We also sought the counsel of ...

While looking around on modified.com recently, I noticed a post on the site's forum asking what cylinder head porting and polishing is. The person who posted it apologized for asking what he felt was ...

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 ...

The key to horsepower heaven is in the shape of the cylinder head. Inside these castings, ports direct airflow to and from each cylinder. Since horsepower enthusiasts often attempt to improve their ...

Hand-porting cylinder head porting is as much of an art as it is a science, but there's aren't many ways to find more horsepower with just sweat equity. Whether you're hogging the heads you already ...

All things under the hood of a car have an inherent delicate nature and require special tools and knowledge to fix, but there are a couple engine components that carry the bulk of the responsibility ...