Well, in it's stock form, the "adder" becomes a "subtractor" to cut back pulse width at high boost levels. "Defueling" anyone?
It starts cutting .1 (I assume ms) at 14.5 PSI at 1400 RPM.
At max, it cuts .7 ms (again assuming) at 23.2 PSI at 2600 RPM.
Some tuning changes that all to "0" so no fuel subtracting is taking place.
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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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