5.3l needs vss calibration
04-14-2015, 06:25 PM
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Location: Australia, Vic, Pakenham
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5.3l needs vss calibration 5.3 using GMPP loom and E67, calibration seems to be set for speed, but i cant seem to change it, Ive got EFILive but im wondering if HPtuners can modify it, How difficult is it to change to a CTS-V file?
