I have my 2008 gt at a reputable ford High performance dealership. My question is this has anyone ever ran into downloading problems. What I mean is the car computer brain for some reason isn't recognizing the downloads. The first time I had it dynoed ,it didn't recognize the downloads unti later in the day and on into the next day. The second time I had it dynoed after adding longtubes, x-pipe, 373 gears it recognized the downloads. Now this time I had the Procharger put on, they said it started up had a few common sputtering issues fixed that and took it for a drive. Everything seemed good they went and put it on the dyno and back to the problem of not recognizing the downloads for the tune. Any fedbac k would be appreciated thank you! 
