So....further update for you. I went driving last night ( it was nice and cool like 67 ). No power drops at all. Car pulled fairly well in normal, and did ok on the highway. I hadn't really tried it much before with the tune... popped it into sport mode on the highway and it jumped from 65 to 85 like it was nothing.... and tried a low rpm pull in sport mode and it's almost ridiculous the difference between that and normal now.... before the tune there was a little difference but not much for me. Now its worlds apart....... I'm suspecting that what I actually need is to upgrade the intercooler.... I'm guessing the temps are getting way to high and its pulling timing and etc.... I also need to get a TCM tune. I can get easily 3 - 5 mpg better in below 60 mph driving by shifting in manual mode and keeping the rpms low.... stupid diesel gate tcm tune keeps them high way too often....... hope you figure yours out!