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 ...

Valve JobsBelieve it or not, all the cylinder head gurus we spoke with agreed that 50 percent of the gains of a full port and polish could be had by simply performing a quality valve job. This is good ...

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 ...

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 ...