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Page 5 of 279 EMS-4 Install and Tuning Guide_Rev 1.6
Fuel Tuning ........................................................................................................................ 158
Acceleration/Deceleration Modifiers for Engine Fueling .................................................... 176
Ignition Tuning Theory ....................................................................................................... 182
Ignition Map ....................................................................................................................... 193
Ignition Trims ..................................................................................................................... 193
Vehicle Speed .................................................................................................................... 197
EMS-4 GPIOs .................................................................................................................... 199
Data logging ....................................................................................................................... 209
Advanced Tuning .................................................................................................................. 216
Boost Control ..................................................................................................................... 216
Knock Control .................................................................................................................... 231
Traction Control ................................................................................................................. 233
2Step Rev Limiter .............................................................................................................. 242
O2 Feedback ..................................................................................................................... 245
Nitrous Control ................................................................................................................... 252
Anti-Lag ............................................................................................................................. 256
Analog Input Switch ........................................................................................................... 259
Staged Injection ................................................................................................................. 260
Switched Ignition Retard/Cut ............................................................................................. 266
Glossary of Terms ................................................................................................................. 269
Index ...................................................................................................................................... 278
