Contrary to what you might have learned in bench racing, larger port size does not always mean more power. Port shape is the key to power and when that power becomes available. Cylinder-head porting ...

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 ...

Chevy's new bow tie head, left to right: 14011058 cast iron V8, 14011050 aluminum V8, and 14044802 90-degree V6. All share the same intake and exhaust port design philosophy, although there are some ...

Aluminum heads not only look good, there are performance advantages as well. In most cases aluminum heads will raise compression, which helps throttle response. However bumping up the compression on a ...