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 ...

When it comes to valves, Ford Motor Company has clearly concluded that three per cylinder are better than two, and perhaps even better than four, when costs are dialed into the equation. We can hardly ...

Ask any professional racer or engine builder and you'll hear that cylinder-head airflow is the most important factor in achieving the greatest peak horsepower from any engine. For years Pontiac racers ...

In the previous issue, we spoke with a number of well-respected companies that market high-flow Pontiac cylinder head packages, and each shared with us the detailed specifications of those aimed at ...