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Message: [QUOTE="Powerstroke Man 6.4, post: 1244991, member: 4573"] I am not GH but I have their tunes. Tow/Haul mode is like factory. You have 3 TCM files to choose from ECO, REG and HYBRID. Copied and pasted from another thread. "Anything above wot and all files should be the same. The Economy and Regular file will lock the converter in 3rd gear on up. The Economy tune should shift and lock the converter 200-300 rpms sooner than the regular file. The Hybrid file will only lock the converter in 5th and OD. It tries to keep the rpms above 1800, that file was really intended for the non vgt turbos and trucks with factory gearing and large tires." And "Eco or Reg if you still have factory style compounds. Hyb is more for the single turbo crowd. Reg is for the guys with 3.55 and 33 inch + tires but some guys with the lower gears like it too. eco shifts sooner than reg, but all files are the same above 1/2 throttle." [/QUOTE]

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