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Engine Airflow HP1537: A Practical Guide to Airflow Theory, Parts Testing, Flow Bench Testing and Analyzing Data to Increase Performance for Any Street or Racing Engine Paperback


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Engine Airflow HP1537: A Practical Guide to Airflow Theory, Parts Testing, Flow Bench Testing and Analyzing Data to Increase Performance for Any Street or Racing Engine + David Vizard's How to Port & Flow Test Cylinder Heads (SA Design) + Performance Automotive Engine Math (Sa Design-Pro)
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Product Details

  • Paperback: 160 pages
  • Publisher: HP Trade; 1 edition (July 6, 2010)
  • Language: English
  • ISBN-10: 1557885370
  • ISBN-13: 978-1557885371
  • Product Dimensions: 10.8 x 8.5 x 0.3 inches
  • Shipping Weight: 15.5 ounces (View shipping rates and policies)
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (12 customer reviews)
  • Amazon Best Sellers Rank: #106,382 in Books (See Top 100 in Books)

Customer Reviews

4.1 out of 5 stars
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See all 12 customer reviews
This book has plenty on information for the advanced engine builder.
Smittynsc
The book was well written and had an easy to use method for describing not only the math but also what the numbers used in equations represent.
Joel
As a SuperFlow Customer Service Engineer for the past 14 years, I can only say, if you have a Flowbench, PLEASE BUY THIS BOOK.
Hondacbx

Most Helpful Customer Reviews

17 of 17 people found the following review helpful By Joel on December 30, 2010
Format: Paperback Amazon Verified Purchase
I'm an engine builder/head porter with approximately 30 years of experience. I bought the book because I trust the information give by the author, Harold Bettes. After reading the book I found the approach of giving many different references for formulas to be a sensible way of helping to narrow specifics used for development. The book was well written and had an easy to use method for describing not only the math but also what the numbers used in equations represent. I realize that it would be difficult at best for any author to write all the years of experience that Mr. Bettes has in just one book. I feel that he did a great job to cover as much as he could, touching on current issues that engine builders are faced with without loosing focus on the basics . After reading the book, I found that it would be helpful to both experienced and unexperienced gearheads. The book is a great read, and should be found in the library of all respected head porters and engine builders.
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10 of 10 people found the following review helpful By TJ on July 25, 2011
Format: Paperback Amazon Verified Purchase
Great book and is chocked full of useful formulas and references for later use. I was hoping for an advanced book on airflow and not just another silly book scratching the surface with port volumes, exhaust scavenging, and the like and this book nailed it. They literally have about 2 chapters talking about flow benches and different methods for measuring airflow and not just assuming you have the ability to magically get any specific port flow numbers you want without having to do any measuring. They are assuming you ARE building an engine from scratch and not only go over ways to calculate numbers which are relevant to your interests, but how to go about quantifying those numbers. Long story short: If you're just doing plug and play work on engines (swapping heads, exhausts, intakes, etc.) this book is probably more than you need. If you're building engines from scratch and need critical flow numbers for a specialized class of racing you need this book.

I know the type of racing I do you need to be an expert on every measurable characteristic on the engine you've built otherwise you're not going to be competitive and will get eaten alive in design judging.
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7 of 8 people found the following review helpful By techno_fatman on July 28, 2011
Format: Kindle Edition Amazon Verified Purchase
This review is of the Kindle version, which really deserves only 1 star. I did pay the extra $$ to get the Kindle version, and in principle I'm OK with that, since someone had to do the conversion from hardcopy. But this version is FULL OF MISTAKES. I really like working the equations, and I'd say there's about a 50:50 chance that any given equation is right. When the variables are defined, they call a rho a lambda half the time. What a joke. Or you can't tell where the parentheses are supposed to begin and end. Sad. It's like a detective game trying to figure out what they should really be.

But more than that I still give the content only 3 stars. Granted the flow bench info is pretty good, but I disagree that the equations are explained well. Sometimes they're just handed to you, like they came out of thin air. It's important to know a little more than that so that the equations mean something to you physically. And then when they're wrong half the time (at least in the Kindle version), you can't tell what to do to make them right. So I'd say that overall I'm basically pretty disappointed.
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6 of 7 people found the following review helpful By Pashko on December 28, 2010
Format: Paperback Amazon Verified Purchase
The author does a great job explaining the basics of airflow within an engine. It explains all aspects of airflow; how to achieve it, the tools/equipment used to do it, and projects to consider. I was also impressed that it covered all aspects of engines, from diesels to "mini V8" engines. All in all, its an informative book, and the price is right, too.
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5 of 6 people found the following review helpful By Hondacbx on January 28, 2011
Format: Kindle Edition
As a SuperFlow Customer Service Engineer for the past 14 years, I can only say, if you have a Flowbench, PLEASE BUY THIS BOOK. It is especially usefull for new flowbench users. Don't miss this opportunity to become educated for such a remarkably cheap price. And visit the Thorpe Development website as well. They sell very useful flowbench tools.
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2 of 2 people found the following review helpful By Smittynsc on February 18, 2012
Format: Paperback Amazon Verified Purchase
This book has plenty on information for the advanced engine builder. A lot of hidden secrets are revealed. A must for any serious race engine builder.
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