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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 techniques, you are shown how to port iron and aluminum heads as well as benefits of hand and CNC porting. 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 from the floor 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. Review: Great knowledge if you need to diy - Great book to learn how to get high performance out of your heads ..love the book. Great tips Review: Very helpful for a DIYer - This book will help you understand how your engine breaths and how to get more out of a set of cylinder heads.









| Best Sellers Rank | #370,575 in Books ( See Top 100 in Books ) #81 in Car Customization #123 in Vehicle Owner's Manuals & Maintenance Guides #162 in Automotive Engine Mechanics |
| Customer Reviews | 4.7 out of 5 stars 454 Reviews |
C**S
Great knowledge if you need to diy
Great book to learn how to get high performance out of your heads ..love the book. Great tips
A**R
Very helpful for a DIYer
This book will help you understand how your engine breaths and how to get more out of a set of cylinder heads.
K**Z
Great Vizard book, may be too advanced/technical for casual performance buffs
If you have ever thought about porting your own heads or done a few, this book will be extremely helpful and interesting. As usual, David explains and shows actual technique to an extent you would have to search years to find otherwise, in my opinion. I ported my first set of heads in college and they probably were OK, but this book would have helped them reach their full potential! I think many people can also just benefit from understanding what makes for good flow when they are looking at various possibilities for their projects. I also liked all the information about building your own flow bench, and wished I had the time and space to do that in the near future.
E**1
good reference book
this is a good book despite the self indulgence of the author his text and drawing content is very good and enlightening to a person with a bent towards the subject matter he definatly imparts a good deal of quality info however he is enamoured with graphs, they explain everthing!! if you have a degree in quantum physics. some are self explanatory but the bulk of them there is no explanation that make sense of them to me the left school in the eight grader I am by no means smart or stupid just a small note in how to interpret each graph would have made this a superb book and I am still glad I paid for it and had it sent to Australia would be head porter from down under
A**R
David Visard Book
As advertised. Quick shipping. Would purchase again from this vendor again
J**N
Good reading
This has increased my understanding of the internal combustion process greatly. I recommend it especially if you are thinking a a camshaft upgrade.
W**N
Great
Great
N**R
Great book
Have a bunch of Davids books, and have ported SB chevy heads using his methods with good results.
M**E
Top
Super
C**N
Informazioni incomplete
The author takes into account only the "classic" heads 2 valve per cylinder engines Americans, for hemispherical heads is wasted on a page and to the heads with 16 valves even less. If you want to take action on a European or Japanese modern engine it is completely useless. It would have been nice to know this in the sales description of the book and then decide whether to buy it or not. L'autore prende in consisderazione solo le teste "classiche" a 2 valvole per cilindro dei motori Americani, per le teste emisferiche si spreca in una pagina e per le teste a 16 valvole anche meno. Se si vuole intervenire su un motore moderno Europeo o Giapponese รจ completamente inutile. Sarebbe stato bello sapere ciรฒ nella descrizione di vendita del libro per poi decidere se acquistarlo o meno.
J**Z
Practico, completamente practico
Es muy facil de leer lleno de ejemplos, e historias y te da el enfoque para entender la preparacion de culatas
S**6
Simple but complete. Always interesting and usefull.
As usual with the Mr Vizard's books, it's a very well done work. The quality of the explanations, pictures and drawings is perfect. Nevertheless, first of all, intended to traditionnal american iron. Few informations about hemi and four valve heads.
N**E
The first tool in my engine toobox!
I've seen all kinds of media and books on Porting cylinder heads, both for racing and for more efficient fuel mileage. His book is much better, for amateurs and even more for professionals. Outstandingly clear, excellent graphics and charts and explanations! Well written, technically simple language. Can't recommend it enough.
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