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Practical Engine Airflow: Performance Theory and Applications

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Product Code: SA308P
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Practical Engine Airflow: Performance Theory and Applications

Your Price:
$38.95
Currently out of stock
The photos in this edition are black and white.

The efficient flow of air through an engine is instrumental for producing maximum power. To maximize performance, engine builders seek to understand how air flows through components and ultimately through the entire engine. Engine builders use this knowledge and apply specific practices and principles to unlock horsepower within an engine; this applies to all engine types, including V-8s, V-6s, and imported 4-cylinder engines.

Former Hot Rod magazine editor and founder of Westech Performance Group John Baechtel explains airflow dynamics through an engine in layman's terms so you can easily absorb it and apply it. The principles of airflow are explained; specifically, the physics of air and how it flows through major engine components, including the intake, heads, cylinders, and exhaust system. The most efficient and least restricted path through an engine is the key to high performance. To get to this higher level, the author explains atmospheric pressure, air density, and brake specific fuel consumption so you understand the properties of fuel for tuning.

Baechtel covers the primary factors for optimizing the airflow path. This includes the fundamentals of air motion, air velocity, and boundary layers; obstructions; and pressure changes. Flowing air through the heads and the combustion chamber is key and is comprehensively explained. Also comprehensively explored is the exhaust system's airflow, in particular primary tube size and length, collector function, and scavenging. Chapters also include flowbench testing, evaluating flow numbers, and using airflow software.

In the simplest terms, an engine is an air pump. Whether you're a professional engine builder or a serious amateur engine builder, you must understand engine airflow dynamics and must apply these principles if you want to optimize performance. If you want to achieve ultimate engine performance, you need this book.

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The photos in this edition are black and white.

The efficient flow of air through an engine is instrumental for producing maximum power. To maximize performance, engine builders seek to understand how air flows through components and ultimately through the entire engine. Engine builders use this knowledge and apply specific practices and principles to unlock horsepower within an engine; this applies to all engine types, including V-8s, V-6s, and imported 4-cylinder engines.

Former Hot Rod magazine editor and founder of Westech Performance Group John Baechtel explains airflow dynamics through an engine in layman's terms so you can easily absorb it and apply it. The principles of airflow are explained; specifically, the physics of air and how it flows through major engine components, including the intake, heads, cylinders, and exhaust system. The most efficient and least restricted path through an engine is the key to high performance. To get to this higher level, the author explains atmospheric pressure, air density, and brake specific fuel consumption so you understand the properties of fuel for tuning.

Baechtel covers the primary factors for optimizing the airflow path. This includes the fundamentals of air motion, air velocity, and boundary layers; obstructions; and pressure changes. Flowing air through the heads and the combustion chamber is key and is comprehensively explained. Also comprehensively explored is the exhaust system's airflow, in particular primary tube size and length, collector function, and scavenging. Chapters also include flowbench testing, evaluating flow numbers, and using airflow software.

In the simplest terms, an engine is an air pump. Whether you're a professional engine builder or a serious amateur engine builder, you must understand engine airflow dynamics and must apply these principles if you want to optimize performance. If you want to achieve ultimate engine performance, you need this book.

Pages : 160
Size : 8.5 X 11 (inches)
Format : Paperback / softback
Illustrations : 300 b/w photos and charts
Publisher : CarTech
ISBN : 9781613255247
Product Code : SA308P

Dedication 

Acknowledgments 

Introduction 

 

Chapter 1:

Airflow Basics 

Airflow Path 

The Seven Cycles to Max Power 

Torque and Horsepower 

Volumetric Efficiency 

Theoretical CFM 

Understanding BSFC 

Contributing Engine Systems 

 

Chapter 2:

Relevant Properties of Air 

Physical Composition of Air 

Mass and Weight 

Density 

Coping with Variables

The Ideal Gas Laws 

Correction Factors 

The MSA and the Air Density Index 

Density Altitude 

Fuel Properties to Consider 

Octane Rating 

Gasoline Variables 

Conclusion 

 

Chapter 3:

Engine Airflow Components 

Fundamentals of Air Motion 

Cross Sections and Path Lengths 

Carburetors and Throttle Bodies 

Air Velocity and Boundary Layers 

Obstructions and Pressure Changes 

Wave Tuning 

Torque Peak RPM 

 

Chapter 4:

Intake Manifold 

Intake Manifold Types 

Plenum Characteristics 

Mixture Conditioning 

Surface Texturing 

Reversion 

Additional Intake Considerations 

Extrude Honing 

Flow Testing Intake Manifolds 

 

Chapter 5:

Cylinder Heads 

Component Compatibility 

Airflow Control Point 

Street versus Race Heads 

Where the Power Comes From 

Best Racing Combo 

Flow Factors 

Valves and Valve Sizes 

Evaluating Cylinder Head Potential 

Piston CFM Demand 

Critical Valve Transitions 

Bore Size 

Port Taper 

 

Chapter 6:

Combustion Chambers 

Cylinder Filling and Pressure Recovery 

Combustion Power and Efficiency 

Chamber Types 

Chamber Flow Concerns 

Chamber Texture 

Valve Shrouding 

 

Chapter 7:

Exhaust System 

Pressure Wave Tuning 

Flow Path Disruptions 

Exhaust Flow Tuning 

Power Adders 

Exhaust Port Surface Texture 

Valve Shape and Angle 

 

Chapter 8:

Flow-Bench Testing 

What Is a Flow Bench? 

Consider Application Differences 

Flow-Bench Information 

Flow-Bench Limitations 

Calculating Lift-to-Diameter Ratios 

Calculating Valve Curtain Area 

Flow-Bench Tools 

 

Chapter 9:

Practical Applications 

Begin with a Software Program 

Air Filters 

Carburetors and Throttle Bodies 

Intake Manifolds 

Cylinder Heads 

The Exhaust Side 

 

 

Conclusion 

Source Guide 

Practical Engine Airflow: Performance Theory and Applications

$38.95

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