Cylinder-head port design and modification has been a source of speculation for as long as there have been internal combustion engines. Because engines are power-making air pumps, airflow volume and ...

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 ...

Car geeks are always looking for a good DIY project for the weekend, and most of us will do just about anything to free up additional ponies. Case inpoint: Gasket-match-porting your manifold is one of ...

Cylinder head porting can take many different levels; in most forms of all-out racing, the porting is among the key considerations of an engine program. This should come as no surprise, since, as pro ...

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 ...