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 ...

Over the past few months, we've stated in numerous articles (including our tech feature on Grump's 331-inch Chevy) that the main reason for the horsepower gains enjoyed by many of the Modified and Pro ...

Beneath that stern, intimidating glare and impressive stature is a man with few equals in the realm of cylinder head expertise. There are probably a few people who know more about cylinder heads than ...

I worked as a machinist in an automotive machine shop in the early 1980s before my career took me into the aerospace sector. The shop's high volume of mundane engine rebuilds and turning brake drums ...

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 ...