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Prerequisites: PCMTec Professional or Workshop Version Your existing FG Mark II Automatic (ZF 6 Speed) Tec file from car read, can be unlicensed. This is for the VIN and VID blocks so the file can be licensed for your vehicle Basic checks to verify the calibration can be merged (does not guarantee it will work): Generate your stock file Generate Stock file for the FGX XR6 Sprint (HAER1UB). Verify your Injectors and ZF Diff Ratio are the same. Three Steps will be described. Step 1 will validate that the vehicle is capable of taking the Spring tune in its entirety Step 2 will merge the calibration with the vehicle information you have obtained by reading the calibration from the car Step 3 is an option step for those wishing only to flash the ZF transmission with the Sprint ZF calibration. Step 1 Our example calibration is HAEJ2PZ Lets get the stock files and save them away: Open the PCMTec Editor and select from the "Calibration Tools" Menu "Create Stock File/Calibration Merge". You will be presented with the following wizard: Click on the "Create Stock File from Strategy or Catchcode button" and enter HAEJ2PZ as the Strategy to create the stock file from: and click "Create File". Let the editor do its magic and download the stock file calibration (including ZF) if they are not already downloaded. Then save the file away. Repeat for HAER1UB and save the file away. Close the file and reopen HAEJ2PZ, click Compare/History and load the HAER1UB file you saved for compare. You will be asked: You MUST answer No. Answering No will ensure you compare all the parameters between the two files, the output will look: Notice that the Compare does not have any differences for the Fuel Injector settings, this means the injectors are the same in HAEJ2PZ as they are in HAER1UB. First test verified. Next scroll down in the compare window for the ZF parameters and Check ZF PMCTec System parameters and see if the "Ratio of Differential" is in the Compare Window: It is the same and that means the ZF calibrations will not need altering after the copy over later. For the keen of eye there is one parameter shown there and that is the key for transmission swaps but that is another story. Now we have verified the strategy we can try the Calibration Swap. Step 2: Full Calibration merge. This is the easy part, of you want to just flash the entire calibration into the car then you only need to merge the VID block and the VIN. Close any files open in the editor and open the PCMTec Editor and select from the "Calibration Tools" Menu "Create Stock File/Calibration Merge". Click on the "Manually Merge VID/Serial Number" button: This screen will display: It does not matter which way you merge the files but in this case I loaded the Sprint Calibration in File 1 and the tec file read from the vehicle on File 2: Now in "File 1" click "Import VID Block from File 2" and "Import PCM Serial/VIN/TCM Serial from File 2". Once this has completed save the file. You will be asked if you want to license this file. You will need to do this if you want to flash the calibration into the car. Step 3: Only merge ZF Sprint Calibration in your MK 11 FG. A common request is to only change the ZF to the Sprint Calibration on an existing Licensed file. You will still need to verify the Ratio of Differential is the same. Open your exiting licensed file (HAEJ2PZ in this case) click "Compare/History" and load the HAER1UB stock file created earlier, answering No to the partial compare question. Scroll down the Compare tab until you see the ZF Parameters: Select all the ZF parameters (cntrl-left mouse click will work): Then Click the "Apply" button on the Compare Tab. This will apply all the parameters to the existing calibration and save it as a new tec file. You can then use this saved file to flash the ZF calibration with the Sprint Calibration.