Hi everyone, I'm new to tuning my truck so any advice would be greatly appreciated.
Ok first question, I recently installed a bully dog tuner with full delete capabilities on my 07.5 6.7L. I downloaded the update from their website and what not. I haven't done anything but run the stock tune since I'm doing all the deletes next weekend. Now when I accelerate the truck seems like it revs different sounding intermittently. Like it over revs then backs down if I let of the gas slightly? I haven't the foggiest idea what that is or if it's normal? The truck seems to run fine has lots of power still it doesn't seem make any effect on performance. Any help would be great thanks in advance
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