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

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Penguin, Jul 6, 2010 - Transportation - 160 pages
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This informative, fully illustrated handbook includes basic discussion on the science of engine airflow and relationships, how flowbenches work, testing individual engine components, how to analyze the data, calibration issues, intake and exhaust tuning, engine formulas, and putting it all together for maximum performance.

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Using Flow Balls to Identify Separation Points in a Port
Method for Calculation of the Effective Flow Area of Ports and Orifices
Fleigners Equation and Airflow Applications
Effective Flow Area Reference Examples
Airflow Straighteners
Calibration Standards
Common Flow Measuring Standards
How Much Flow is Produced Through an Orifice?

Compression Height CH
Piston Pin
Piston Rings
Piston Speed
Compression Ratio
Head Gasket
Rod Length
Deck Height
Block Deck Height
Cylinder Block
Port Velocity
Curtain Area
TorqueCubic Inch lbftin3
Rich and Lean
Basic Internal Combustion IC Concept
The FourStroke Cycles
How Fast Does All That Cycle Stuff Happen?
Inside the Combustion Chamber
Cylinder Pressure vs Volume
Maximizing BMEP
Atmospheric Air Chemistry
Chemistry of the Fuel
Chemistry of the Combustion Process
Airflow and Fuel Flow Stoichiometric Ratio
Reading Spark Plugs and Tuning Tips
Testing for MBT
Cubic Feet Per Minute cfm
How Much Air Does an Engine Use?
Friction Horsepower
Manifold Pressures
A Brief History of Flow Benches and Airflow Development
Types of Flow Benches
Flow Bench Operation
Basic Airflow Theory
The Bernoulli Equation
Measuring Airflow
Cfm As a Reference for Flow Testing
Mass Flow
Atmospheric Effects and Corrections
Useful Flow Bench Tools
Measuring CrossSectional Areas in Ports
Flow Bench Data and Port Area Measurements Provide Local Velocity
Port Velocity Using Flow Bench Data and Port Area
Measurement of Local Velocity Using a Pitot Tube
Differential Pressure Test Pressure ΔP
Keeping Numbers Honest
Calculating Horsepower Based on Flow Bench Data
Estimation of Peak Power Rpm Based on Airflow Numbers
Flow Testing Cylinder Heads
Effects of Cylinder Head Design
Port Configurations
Port Exit
How Many Valves?
How to Lift the Valves
What Makes a Quality Valve Job?
Checking Valve Clearances
Valve Materials
Valve Guides
Valve Seats and Shapes
Valve Springs
Combustion Chamber Shapes and Sizes
Intake vs Exhaust Flow
Establishing Cylinder Head Characteristics
Head Porting Tools
WetFlow Testing
Flow Testing Intake Manifolds
Flow Testing Exhaust System Components
Intake and Exhaust System Tuning
Exhaust Lengths and Diameters
Fuel Flow Data for Standard Holley Carburetor Float Bowl Components
Bench Tune Carburetors Using Simple Tests on a Flow Bench
Flow Bench TechniquesMore Carburetor Testing Methods
Systemic Approach
Carburetor Flow Ratings
Comparison Tests
Using Flow Computers on Flow Benches
Jet Size Based on Calculations and Flow Bench Testing
Testing Throttle Bodies
Analyzing Fuel System Requirements for Mechanical Fuel Injection
Liquid Fuel Types
Brake Specific Fuel Consumption for Different Fuels
A RealWorld Example
Working the Numbers and Selecting a Camshaft with Flow Bench Airflow Data

Common terms and phrases

About the author (2010)

Harold Bettes is the award-winning co-author of 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 and Dyno Testing and Tuning. With the exception of the years during his military service, he has been involved in motorsports in one fashion or another for over 45 years. In 2005, he was the recipient of a Lifetime Achievement Award from the Advanced Engineering Technology Conference, for a lifetime of dedication to the high performance industry.

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