Wow! eBook
How to Port & Flow Test Cylinder Heads
Author(s): David Vizard (Author)
- Publisher: S-A Design
- Publication Date: 15 Oct. 2012
- Edition: Illustrated
- Language: English
- Print length: 144 pages
- ISBN-10: 1934709646
- ISBN-13: 9781934709641
Book Description
Porting heads is an art and science. It takes a craftsman’s touch to shape the surfaces of the head for the optimal flow characteristics and the best performance. Porting demands the right tools, skills, and application of knowledge. Few other engine builders have the same level of knowledge and skill porting engine heads as David Vizard. All the aspects of porting stock as well as aftermarket heads in aluminum and cast-iron constructions are covered. Vizard goes into great depth and detail on porting aftermarket heads. Starting with the basic techniques up to more advanced. In addition, you are also shown how to build a high-quality flow bench at home so you can test your work and obtain professional results. Vizard shows how to optimize flow paths through the heads, past the valves, and into the combustion chamber. The book covers blending the bowls, a basic porting procedure, and also covers pocket porting, porting the intake runners, and many advanced procedures. These advanced procedures include unshrouding valves, porting a shortside turn of the port down toward the valve seat, and developing the ideal port area and angle. All of these changes combine to produce optimal flow velocity through the engine for maximum power.
Editorial Reviews
Review
Whether you have been porting your own cylinder heads for years or have someone else porting with or without a flow bench, buy them this book! – –Engine Professional, April-June 2012
About the Author
David Vizard is a revered engine builder and acknowledged Chevy big-block engine expert, which is why GM contracted him to develop several engine packages for the Chevy big-block crate program. He has authored more than 30 highly respected engine-building and automotive titles, penned about 4,000 magazine articles, and contributed scores of web articles to popular sites. Often referred to as “Vizard the Wizard,” his work is often the subject of blogs and editorial pieces in popular automotive magazines. He currently owns and runs an engine research and development business in Charlotte, North Carolina.
