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How to Port and Flow Test Cylinder Heads by David Vizard (2012, Trade Paperback)
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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.
- Buy It NowDavid Vizard's How to Port and Flow Test Cylinder Heads, Paperback by Vizard,...
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About this product
Product Identifiers
PublisherCartech, Incorporated
ISBN-101934709646
ISBN-139781934709641
eBay Product ID (ePID)102839540
Product Key Features
Book TitleHow to Port and Flow Test Cylinder Heads
Number of Pages160 Pages
LanguageEnglish
Publication Year2012
TopicAutomotive / Repair & Maintenance, Automotive, Automotive / Customizing
IllustratorYes
GenreTransportation, Technology & Engineering
AuthorDavid Vizard
FormatTrade Paperback
Dimensions
Item Height0.4 in
Item Weight19 Oz
Item Length11 in
Item Width8.5 in
Additional Product Features
Intended AudienceTrade
LCCN2011-034289
Dewey Edition23
ReviewsWhether 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!
Number of Volumes1 vol.
Dewey Decimal629.25/2
Table Of ContentAbout the Author Acknowledgments Introduction Chapter 1: What It Takes to Make Power Point of Maximum Flow Seat and Port Priorities Do You Need a Flow Bench? Chapter 2: Flow Testing Procedures The Standard Pressure Drop Real-World Test Pressures Corrections Floating Pressure-Drop Testing Intake Fixation? Flow Efficiency Chapter 3: A Flow Bench--Build or Buy A Rethink on Matters Current Conclusions Flowing the Exhaust Establishing the Numbers Summary Budget Computerization Audie Technology Performance Trends Other Bench Sources Chapter 4: Wet-Flow Testing Wet-Flow Testing--What's it Worth? Six Wet-Flow Mistakes to Avoid Chapter 5: Porting Aftermarket Heads Air Flow Research Dart Edelbrock EngineQuest Racing Head Service Trick Flow Specialties Chapter 6: Porting Tools, Consumables and Safety Eye and Lung Safety Grinders--Air or Electric Carbide Cutters Support Porting Tools Sourcing Consumable Supplies Chapter 7: Five Golden Porting Rules Rule Number 1 Rule Number 2 Rule Number 3 Rule Number 4 Rule Number 5 Chapter 8: Developing Functional Ports Valve Seat Forms Working Valve Seat Shapes Alternative Seat Angles Seats on Valves Valve Shapes Clearances and Temperatures Cutting Valve Seats Chapter 9: Valve Shrouding Practical De-shrouding Chapter 10: Developing Functional Heads Optimizing Cylinder Head Airflow Valve and Flow Ports Cross-Sectional Area Port Velocity Applied Basic Porting Compression Increase Modified 170s on the Dyno The Virtual Flow Bench Chapter 11: The Combustion Process Defining Combustion Combustion Efficiency British Touring Car Championship Year Finally: The Chambers More Combustion Curiosities Atomization Optimization Thermal Barriers Swirl and Quench More Thermal Management Small Crevice Volume--Big Consequences Conclusions Chapter 12: Maximizing Compression Ratio Thermodynamics Made Easy Dynamic Compression Intake- to Exhaust-Valve Ratios Containing the Pressure Source Guide
SynopsisPorting 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., Author Vizard covers blending the bowls, basic porting procedures, as well as pocket porting, porting the intake runners, and many advanced procedures. Advanced procedures include unshrouding valves and developing the ideal port area and angle.
LC Classification NumberTL214.C93V59 2012
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Ratings and Reviews
Most relevant reviews
- Jun 14, 2016Top favorable review
Good information for improved performance.
Lots of information to improve the flow performance of any cylinder heads and build a low cost affordable flow bench if you so desire. Its now time for me to acquire the necessary tools and put it to the test on my next motor build and fortunately I've already acquired a set of performance aluminum Edelbrock Performer Heads which are very good as cast, but a basic port job is all that is required for really satisfying results.Verified purchase: YesCondition: New
- Aug 01, 2016Top critical review
Par for the course, written for wannabe head porters
Written by mechanic for mechanics, as usual for DV, he advertises his other books teasingly through out. I already have a half dozen of his books. I prolly will not port anything myself, but if you want to do that, you can learn it here, by reading and reading between the lines too. Real good info for someone who races locally, and cant justify spending a lot of money on expensive hi end parts. Love the info on el cheapo flow bench.Verified purchase: YesCondition: Pre-owned
- Jan 12, 2023
Awesome information!
Good information from a well known source! Many years of knowledge being passed on! Combine the reading with the many YouTube videos DV has out and you can glean a lot!Verified purchase: YesCondition: New
- Feb 15, 2022
Vizard porting
David Vizard books are very informative and easy to followVerified purchase: YesCondition: New
- Mar 16, 2016
Wedge head wisdom
The general principles are there and well written, but the examples are for carburated V8's, and lacking for modern engine examples. I learn a little some thing from most of Vizard's books though.Verified purchase: YesCondition: Pre-owned
- Oct 31, 2017
port & flow test
excellent book easy to understandVerified purchase: YesCondition: New
- Aug 07, 2017
A lot of hot air
David is absolutely amazing. I appreciate the fact that he is willing to share his wealth of knowledge instead of keeping it to himself and monopolizing the market for wealth. Thank you DavidVerified purchase: YesCondition: New
- May 23, 2022
Porting book
Good book just takes them a long time to send it outVerified purchase: YesCondition: Pre-owned
- Aug 12, 2023
Porting book
Very happy lots of information Thank you.Verified purchase: YesCondition: New
- Jan 20, 2020
Good information for anyone interested in maximizing power in a gas motor
Anyone that is serious about getting horsepower out of a motor should be a reader of David Vizards tech books. Very informative.Verified purchase: YesCondition: New
