1) What is head porting and polishing and how does it work?Porting involves shaping and/or polishing the intake port openings, the inside of the ports, the exhaust ports, the bowl area below the valve ...

Since the days of relieving flathead Fords, we've known about the advantage of porting. Grind those critical passages with the right touch, and airflow through the engine improves-and with more air ...

Much has been written about port-matching stock cylinder head intake ports to the intake manifold, but for those on a budget, a simple port-match delivers little, if any, improvement. Particularly ...