IF YOU HAVE A CHIP IN THE PCM, DO NOT ATTEMPT A PROGRAMMING EVENT WITH THE GRYPHON!! You can run the two together but the only performance gain you will see will be from the Phoenix (or other chip) and you will get nothing from the programmer.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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