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