I. INTRODUCTION About EFI University
II. ENGINE TUNING BASICS
- A.The Four-Stroke Cycle
- Engine Revs vs Engine Cycles
- Volumetric Efficiency
- What are Standard Conditions?
- What are “Absolute” Conditions?
- What is Air Density?
- What is Air Flow (Volume vs Mass)?
- KPA/BAR vs InHg/PSI
- Brake Specific Fuel Consumption
- Brake Specific Air Consumption
- What is Air/Fuel Ratio?
- What is Lambda?
III. BASICS OF ELECTRONICS
- Voltage
- Resistance
- Amps
- Vermont = Rhode Island
IV. WAVE FORMS
- Sine Wave
- Square Wave
- Amplitude
- Frequency
- Pulse Width
- Duty Cycle
- Output Control
V. EFI SYSTEM COMPONENTS
A. Sensors
- Map Sensor
- Throttle Position Sensor
- Coolant Temperature Sensor
- Intake Air Temperature Sensor
- Engine Speed Camshaft Position Sensor
- Knock Sensor
- Oxygen Sensor
B. Actuators
- Ignition Outputs
- Fan Relays
- Air Conditioning Relays
- Injectors
- Choosing an Injector
C. Control Tables
- Base Fuel
- Base Ignition
- Boost Control
- Idle Control
VI. HOW DOES IT ALL WORK?
- PV = NrT
- Calculating Injector Pulse Width
VII. TUNING THE ENGINE
- What Air/Fuel Ratio Does My Engine Want?
- Understanding Ignition Timing
- Cold Starting
- Fuel Requirements
- Ignition Requirements
- Dyno Tuning
- Road Tuning
VIII. TOOLS OF THE TRADE
- DVOM
- Test Light
- Powered Test Light
- Vacuum Pump
- Fuel Pressure Gauge
- Oscilloscope
- Dynomometer
- Air/Fuel Ratio Monitor
IX. FUNDAMENTALS OF WIRING
- Wire Sizes
- Solder or Crimp?
- Using Relays
- Covering Wires
- Crimping Tools
X. TUNING PROCESS: START TO FINISH
- Fuel Type
- Compression Ratio
- Induction Type
- Set Fuel Pressure
- Getting Started and Running
- Set Mechanical Base Timing
- Tune engine to idle properly after Warm-up
- Tune No-Load RPM sites
- Tune No-Load acceleration enrichment
- Tune light load RPM sites
- Tune medium to heavy load RPM sites
- Tune Full load RPM sites
- Review Data Logs and Power Graphs
- Make final changes
- Street or Track tuning and testing
XI. FUN FORMULAS
- Horsepower and Torque
- Horsepower
- Volumetric Efficiency
- Cubic Inch Displacements
- Rev Limits
- Fuel Injectors