AEM 30-6905 Universal Programmable EMS-4 - Manual (Page 257)

Page 257 of 279 EMS-4 Install and Tuning Guide_Rev 1.6
User Definable Options for Drag Race Anti-Lag
Alt Ignition Fixed
Units: On/Off Description: Enables the Alt Spark Fixed option in order to maintain a constant
ignition timing value for anti-lag.
Alt Spark Fixed
Units: Degrees Description: Sets a fixed ignition timing value while the alternate conditions are
met.This is enabled by the Alt Ignition Fixed option.
Alt Spark Trim
Units: Degrees Description: Amount of ignition spark to be trimmed (+/-) when the alternate
trims are active.
Alt Fuel Trim
Units: %
Description: Percentage of fuel to be added when the alternate trims are active.
Alt Off Above RPM
Units: Engine Speed Description: When above this rpm, the alternate trims and functions will
deactivate.
Alt On Above RPM
Units: Engine Speed Description: When above this rpm, but below the Alt Off Above RPM the
alternate trims and functions will activate.
Alt Off Below TPS
Units: %
Description: When below this throttle position, the alternate trims and functions will
deactivate.
Alt On Above TPS
Units: %
Description: When above this throttle position, the alternate trims and functions will
activate.
Alt Overboost
Units: Engine Load Description: When above this engine load, the alternate trims and functions
will deactivate.
Alt On Above Load
Units: Engine Load Description: When above this engine load, but below Alt Overboost the
alternate trims and functions will activate.