boss hoss

Check my sig for mods. I have Chris from SuperChips which is right down the block from me writing files.. after about 5-7 days seems the computer is adjusting to the file somehow and I'm loosing low end torque/power.. They said it was dumping extra fuel in and adjusted the file.. now it's doing it again.. I took it there today and he wrote a new file turning off the adaptation of the computer.. (its ability to learn and correct and return to said new file) Everything looks great on the dyno sheet. But like I said after a several days it's just lacking something and the powerband seems flat below 4500rpms.. When they adjust it, it is a nite and day diff then eventually goes back to sluggish lowend.. any info or would be greatly appreciated.. thanks..

SpartaPerformance

If it dynos good when its first installed then dyno it afterwards to see if power is being dropped and where.

Nuke

Almost sounds as if the Adaptive Learning is overwriting some of the parameters. SOme of the custom tuners claim to be able to disable Adaptive Learning. But you should be able to clear it yourself by lifting a battery lead for 20-30 minutes as a work-around.

HypromanGT

Is this at part throttle or WOT? If it's part throttle that you are having issues with, I don't see how the dyno is going to help. Don't you only ever dyno based on WOT? It's my understanding that the tuners will make it so that there is no adaptive learning at WOT, but they don't turn the learning off for part throttle.