Modifying your intake can fundamentally change how your engine breathes. Discover exactly how porting affects performance and ...

It might seem that the intake manifold is one of the simplest components on an engine. After all, the purpose of the intake is to provide a series of passages to join the carburetor with the intake ...

In the Feb. '11 issue ofHPP, we presented the new Edelbrock Performer D-Port head in the article D-Port Development. At the time, the head wasn't production ready, so our story was written based on ...

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 ...

We last left project SR20 headless as we finished up the bottom end. If the bottom end can be considered the legs of an engine, the head is the heart and lungs. Building a good bottom end is the ...

Porting an intake manifold is a simple and underrated mod that directly improves engine airflow and power, and it's ...