Without question, cylinder-head porting is a science. The act of removing metal from the intake and exhaust ports to increase airflow has been used for decades, and in most cases, a skilled head ...

The question of the day seems to involve the difference between the original cathedral-port and modern rectangular-port LS heads. More specifically, which one is better? Were we to compare two sets of ...

A flagrant case of misaligned ports indicated by the carbon formations. During the course of building, modifying or merely "sharpening up" an overhead valve V8 engine, the question of intake port ...