I have an 2007.5 6.0 Vortecmax truck, just got done doing a heads/cam package with the full AFM/DOD delete... Kooks longtube headers, and Circle D 3200 stall. The truck made 330 rwhp with CAI and Magnaflow cat back... today I put it on the dyno to tune the new setup, and i was only able to make 2 WOT runs. The rest of the attempts, I would put the throttle to the floor, and nothing would happen. I went back to the tune I had in it before any of this work, and made the neccessary changes for the idle, and what not... but still had the same problem.
I know it's got to be something simple I am overlooking. Here is the tune file, and the stock flash from the truck. Let me know if anybody sees anything interesting. The truck only made 373 with the converter unlocked :-/ I was really expecting 440-450 rwhp.