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 ...

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 ...

Cylinder head porting is an advanced area of car tuning, so to help you get around what it all means, we take a closer look at the sure-fire way to improve an engine’s performance potential. You may ...

You just got your new set of aluminum cylinder heads for your engine, but now you have a decision to make. You can either install the heads just as they were sent to ...

I have a set of '69 Pontiac 400 heads, casting No. 46. I would like to try my hand at porting and polishing. I would like any information on how to do this and what tools are needed.Connie ...

Enthusiasts seem to be divided on just what constitutes a real street motor. On one side, we have the daily driver camp, where “street” is defined as the motor used to power your daily driver, as in ...