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Required to flash a 2018 6.7L Cummins with EFILive.
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EFILive Custom Tuning
2013 – 2020 Cummins 6.7L
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Designed for current PPEI users who already have an AutoCal and Single Tune or Tune Pack. A FREE LML DST Switch is included.
The PPEI EFILive Allison TCM Tuning is a major benefit to all users regardless of their modifications. The TCM Tuning comes with an earlier lock-up strategy that ultimately allows for the truck to put all the power to the ground more efficiently than the stock TCM calibration would allow. As for those weekend warriors it can knock off .05 off your track times for stock transmission applications and even more time with modified/built transmissions.
68RFE automatic transmission equipped trucks have the option to order transmission tuning. With an electronically controlled transmission factors such as converter lockup, line pressure, and shift patterns can be supremely adjusted. Our TCM tuning is highly recommended to preserver to longevity of your transmission at higher HP and TQ.