For a manual transmission truck, there's really no need to go with the FU because you're basically buying power levels (you're in charge of how and when the transmission shifts).
The FU won't work with major changes like aftermarket injectors anyway.
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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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