Not much more than you do already. Of course you'll have to keep an eye on them. I've done it to two trucks (neither with St. 1 injectors though) and never had anything but good things to say about either. Your compressor might not like you for it since it will be out of it's efficiency range under the higher boost.
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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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