Dialing in Advanced Launch control will take a significant number of attempts, please keep in mind that repeated hard launches are hard on the drivetrain and vehicle and can build significant temperature in the exhaust, engine bay, and the transmission so ensure your car has adequate time to cool down, and is mechanically sound. Ideally perform this in an area with a lot of air flow (like a dyno cell). |
This system will allow you to launch the car with more power and boost pressure than stock. The amount of force achievable may be greater than the limits of drivetrain components, so be cautious or willing to repair. |
Set up your Primary Ignition table similarly to your base ignition map or with slightly less timing.
DO NOT USE STOCK VALUES |
Now that your RPM target is taken care of, you'll want to go back to the Primary Ignition Timing in order to achieve the amount of boost you want. Adjust timing as you also vary your Launch Control - Boost Target. Starting at your lowest boost target and trying to hit that, and then moving onwards and upwards.
Keep in mind that altering ignition timing will alter both boost levels and engine speed rather than going back and retuning target throttle angle, adjust the Target Throttle Angle Compensation (IGN). This table can be adjusted to account for engine speed change caused by varying ignition timing. You may also need to make changes to Target Throttle Angle Compensation (MRP) however keep in mind as you add additional compensations it can be harder to accurately keep track of what is going on with the car, and it makes tuning the car more difficult so do your best to keep it as simple as possible. |
This table enables or disables the bump box feature. In order to use the bump box feature the Accessport must be installed on the TCM. COBB Bump Box allows you to pre-stage, engage launch control, and then creep forward to fully stage while still in launch control mode. For more instructions on how to use this feature refer to this article:
COBB Custom Features: GTR Launch Control and COBB Bump Box
Values:
In this table a value of 0 leaves the Bump Box system disabled while a value of 1 will change it to active
Make sure you are using an updated TCM file or custom tune post version ___ otherwise the car may not behave as expected. |
Table overrides commanded fuel target during advanced launch control activation. Using this table you can request a different fuel target using launch control. You can then use the Fueling Compensation table to correct for fuel trims during launch control as necessary.
Values:
Values in this table will be in AFR targets Lambda or standard air fuel ratios.
Same table as Commanded Fuel Target however it is a realtime table which can be utilized for tuning. Changes to this table will be cleared by a map switch, battery disconnect or flash. Use F5 to refresh the current values from the ECU memory. Any changes must be manually flashed to the non-realtime table in order to flash this calibration to the vehicle.
Enables the Advanced Launch Control fueling control. Enable if an alternate fueling target is desired during launch control conditions. If not enabled the standard fuel control values and tables will be used during launch control.
Values:
In this table a value of 0 will leave the fuel control system disabled while a value of 1 will turn it active.
This table applied a global fueling compensation to your fuel trims when launch control is active. It will allow the use of a different percentage of fueling correction depending on Manifold Relative Pressure.
Values:
All values in this table will be a percentage of total fuel with a maximum of 200% and a minimum of 0
Realtime version table as Fueling Compensation however it is a realtime table able to be utilized for live tuning. Changes to this table will be cleared by a map switch, battery disconnect or flash. Use F5 to refresh the current values from the ECU memory. Any changes must be manually flashed to the non-realtime table in order to flash this calibration to the vehicle.
This table provides an override for the throttle angle during launch control when enabled.
Provides realtime control over the target throttle angle during launch control. Changes to this table will be cleared by a map switch, battery disconnect or flash. Use F5 to refresh the current values from the ECU memory. Any changes must be manually flashed to the non-realtime table in order to flash this calibration to the vehicle.
Adjusts throttle angle based on ignition timing and RPM, generally more throttle angle is required to maintain a given RPM when timing is reduced.
Realtime table version of the Target Throttle Angle Compensation (IGN). Changes to this table will be cleared by a map switch, battery disconnect or flash. Use F5 to refresh the current values from the ECU memory. Any changes must be manually flashed to the non-realtime table in order to flash this calibration to the vehicle.
This table compensates launch control throttle angle based on current Manifold Relative Pressure. Generally, less throttle angle will be required to maintain engine speed once manifold pressure increases.
Realtime table version of the Target Throttle Angle Compensation (MRP). Changes to this table will be cleared by a map switch, battery disconnect or flash. Use F5 to refresh the current values from the ECU memory. Any changes must be manually flashed to the non-realtime table in order to flash this calibration to the vehicle.
This enables or disables throttle control during advanced launch control activation.
Values:
In this table a value of 0 will leave the fuel control system disabled while a value of 1 will turn it active.
Adjusts timing in order to achieve the requested boost pressure. Keep in mind that running too much ignition advance when your car is already overboosting can be very hazardous so use the upper reaches with caution.
Realtime version of the Ignition Timing Proportional Feedback Table. Changes to this table will be cleared by a map switch, battery disconnect or flash. Use F5 to refresh the current values from the ECU memory. Any changes must be manually flashed to the non-realtime table in order to flash this calibration to the vehicle.
This table indicates the base timing values used when launch control is activated. This table overrides all other compensations. Set this to either a value you think will work well, or start off with a value that mimics your base timing table or is less.
Realtime version of the Primary Ignition Timing. Changes to this table will be cleared by a map switch, battery disconnect or flash. Use F5 to refresh the current values from the ECU memory. Any changes must be manually flashed to the non-realtime table in order to flash this calibration to the vehicle.
This table selects the input to use for the x-axis of the Advanced Launch Control Primary Ignition Timing table
Values:
A value of 0 means you'll use the current Launch Control Boost Target(Which can be changed depending on which switchable map you are on). A value of 1 will set it to the current Manifold Relative Pressure (Sea Level)
A Delay value to enable the Advanced Launch Control Ignition Advance table only after a certain period of time after LC has been active (100-~1second). Use if you want a certain amount of time in between launch control activation and using the launch control primary ignition table.
This table disables proportional ignition timing feedback until Manifold Relative Pressure has exceeded the Specific Threshold found in this table.
A Delay value applied to the Launch Control Ignition Timing Proportional Feedback table
The Clutch Torque that will be used by the transmission during LC mode (Staging) when the Advanced Launch Control system is active. This table is used to prevent overheating the clutches during staging.
This table enables or disables the advanced launch control system.
Values:
A value of 0 has the Launch Control system disabled, while a value of 1 enables it and allows the features to be used.
A realtime switch that allows the Advanced Launch Control system to be enabled or disabled.
Values:
A value of 0 has the Launch Control system disabled, while a value of 1 enables it and allows the features to be used.
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