DIESEL VEHICLE SPECIFIC OPTIONS
Performance/Extreme
The most aggressive preloaded diesel tune. Good for everyday use, racing, or economy but not recommended for any type of towing.
Street/Performance
The Street tune has less power than Performance with a moderate gain over stock, safe for light towing, under 5,000 lbs.
Towing / Tow
This tune should be used when towing any significant load as the shifting is specific for towing.
Trans Only
For heavy loads, the engine and boost are left stock and only the transmission shift points are tuned.
Jake Brake
Helps to increase engine braking while coasting to help lower braking temperatures.
Locked at CT
Keeps the torque converter locked during deceleration to aid in engine braking.
Lock In 1-2-3
Locks the torque converter in 1st, 2nd and 3rd gear
Agg. Tow Haul
More aggressive shift schedule keeping the engine in its power band longer.
DIESEL & GAS VEHICLE OPTIONS:
Axle Ratio
Corrects shift patterns / speedometer for aftermarket axles / parts. (Not available on all vehicles)
Tire Size
Sets tire size to correct shift patterns/speedometer. (Not available on all vehicles)
Idle Speed
Sets idle speed in RPM.
Traction Control
On/Off setting disables traction control without using the TCS button.
WOT Shift
Increase or Decrease the WOT shift points of each gear individually by MPH.
Shift Pressure
% change in transmission pressure during shifts. (+ equals firmer, - equals softer)
AS VEHICLE SPECIFIC OPTIONS:
Tune Type
Performance levels vary by the octane you select. Higher octane will provide higher performance increase.
Towing Tune
Adjusts the octane based tunes to focus more on towing over performance.
Global Spark
Add or remove timing advance to the entire RPM range.
Spark by RPM
Add or remove timing by RPM range. (0-2000) (2000-4000) (4000-8000)
WOT Fuel
Add or remove fuel at wide open throttle. ( WOT )
Fuel Injectors
Allows you to adjust for different sized injectors. (Not available on all vehicles)
CMCV Deletes
Updates tune to handle the CMCV/IMRC delete plates modification.
Fan Control
Lowers the temperature at which the fan turns on.
Rev Limiter Drive
Sets rev limit in RPM while in drive.
Rev Limiter Neutral
Sets rev limit in RPM while in neutral.
Speed Limit
Remove, increase, or decrease the vehicle speed limiter. (AK A Governor)
NOTE: Adjustable Options vary for each vehicle and are not available on all vehicles.