Thats awesome man, I heard the 6.7 can run pretty good when it is tuned right. Do you know what kind of tuner you are running by any chance? You, for sure, need to come up to the mud bog and run the fast track 39.5 limited, that drw will help a bunch!
It's the h&s xrt pro tuner
"the sun is shining somewhere in texas" -Jason Boland