Engine Tuning Workshop Course Outline

I. ENGINE TUNING BASICS

1. The Four-Stroke Cycle
2. Engine Revs vs Engine Cycles
3. Volumetric Efficiency
4. The part about Camshafts they never told you…
5. What are Standard Conditions?
6. What are “Absolute” Conditions?
7. What is Air Density?
8. What is Air Flow (Volume vs Mass)?
9. KPA/BAR vs InHg/PSI
10. Brake Specific Fuel Consumption
11. Brake Specific Air Consumption
12. What is Air/Fuel Ratio?
13. What is Lambda?
14. Why you’ve been choosing your fuel type wrong all along…
15. Distillation, Vapor Pressure, Octane and Burn Speed

 

II. WAVE FORMS AND WHY THEY MATTER

1. Sine Wave
2. Square Wave
3. Amplitude
4. Frequency
5. Pulse Width
6. Duty Cycle
7. Output Control

III. EFI SYSTEM COMPONENTS

A. Sensors (The “Big 5″and more…)
1. Map Sensor
2. Throttle Position Sensor
3. Coolant Temperature Sensor
4. Intake Air Temperature Sensor
5. Engine Speed and Camshaft Position Sensor
6. Oxygen Sensors

B. Actuators
1. Injectors: High Impedance vs Low, which is “better”?
2. Choosing an Injector the right way…
3. Coil Dwell Time vs CDI Ignitions

C. Control Tables
1. Base Fuel: What does it actually do?
2. Base Ignition: Why are some different than others?
3. Understanding P.I.D. Control Algorithms for Tuning Boost, Idle, Lambda and other controls

IV. HOW DOES IT ALL WORK?

1. PV = NrT
2. Calculating Injector Pulse Width

V. TUNING THE ENGINE

1. What Air/Fuel Ratio Does My Engine Want?
2. Ignition Timing: Getting it right, every time!
3. Knock or Pre-Ignition?  Which was it?
4. Dyno Tuning
5. Road Tuning

VI. TOOLS OF THE TRADE

1. DVOM
2. Test Light
3. Powered Test Light
4. Vacuum Pump
5. Fuel Pressure Gauge
6. Oscilloscope
7. Dynomometer:  What kind, and Why?
8. Air/Fuel Ratio Monitor

VII. TUNING PROCESS: START TO FINISH

1. Fuel Type
2. Compression Ratio
3. Induction Type
4. Set Fuel Pressure
5. Getting Started and Running
6. Set Mechanical Base Timing
7. Tune engine to idle properly after Warm-up
8. Tune No-Load RPM sites
9. Tune No-Load acceleration enrichment
10. Tune light load RPM sites
11. Tune medium to heavy load RPM sites
12. Tune Full load RPM sites
13. Review Data Logs and Power Graphs
14. Make final changes
15. Street or Track tuning and testing

VIII. FUN FORMULAS

1. Horsepower and Torque
2. Horsepower
3. Volumetric Efficiency
4. Cubic Inch Displacements
5. Rev Limits
6. Fuel Injectors