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N2O trigger and Delay

The Timing Tuner has several features for control of N2O:

Activation Delay

Minimum RPM

Maximum RPM

Activation Delay is used to delay the activation of the N2O system so the car’s suspension has a chance to react and plant the rear tires before the N2O ‘hits’.  The delay is adjusted by setting Mode switches 1-3, see the table below.  The delay happens once in a race,  if the N2O is deactivated during a race and the engine RPMs do not drop below 3000, the delay is bypassed when the N2O is retriggered.  This is useful when bracket racing and trying to stay ahead of the competition without ‘breaking out’.   Or when traction is lost and the driver ‘lifts’ to stop the wheelspin.  

Minimum RPM is a setting for tuning the turn-on RPM for the N2O.  This setting is checked after the Activation Delay has expired.  It is used in place of, or in conjunction with Activation Delay to control the point at which the N2O is triggered in relation to torque converter stall speed.

Maximum RPM is selected with the Mode 4 switch.  It is used to de-activate the N2O system below the PCM rev limiter setting.  If the engine hits the PCM rev limiter with the N2O activated, a backfire could occur.

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