Performance Mode Gear Shift Ignition Retard🔗
In performance mode, this is the amount of ignition retard requested by the Shift Ignition Retard module.
It is obtained by plugging the current engine speed into the appropriate Performance Mode Up (or Down) Shift Ignition Retard table. However, its rate of change is limited by Performance Mode Gear Shift Ignition Retard Rate Limiter Down and Performance Mode Gear Shift Rate Limiter Up.