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 ...

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 technology is an ever-growing evolution and these days, conventional 23 degree heads have never been better. Some say the incredible advancement comes from the needs of drag racers, who ...

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 ...

In the early-'90s, GM introduced the Second-Generation LT1 small-block. It featured reverse-flow cooling and an aluminum cylinder head with a new port configuration. In essence, the company created ...

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 ...