Clean EGR tubes, ALDA tube, change filters after Purge, and ip tuning after valve lash will give you the power your looking for, find the right shift padderns to help, this ADL adjustments should only be an attitude ajust for sealevels
Egr is for exhaust gas recirculation during cold warm up only and cloggs the intake if not removed ruins your turbo dumbass my ass also a real master diesel mechanic here , say something smartass?