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I did the 6 speed swap on a 2001 crew cab short bed and there was no driveshaft modification needed. I kept the automatic wiring harness and PCM and had to do some minor wiring to make everything work. I had Gearhead write tunes for a 6 speed and that took care of all of the CELs resulting from...

I agree that it is difficult to tune a truck through the mail and that no two seem to run the same. I have been really happy with both my Gearhead tunes and, more importantly, with the customer service I have received from Matt. I can't say enough about his service!! I did not want anyone to...

I read through the thread also. A lot of what they were describing sounded just like mine before the tweaked tuning. Idled just like my old drag car with a huge cam in it. Especially when coming down to an idle after romping on it or just driving it and coming to a red light. My truck would...

I don't know if this will help or not, but I just went through a similar situation. I just have the 160 singles with stock nozzles. My truck idled smooth as butter when it was cold. Once warmed up, it loped pretty bad. The lope was really bad when the truck was coming back to an idle after...

Finally got around to joining. I own a 2001 7.3 F-250. I have been a member of another forum for many years. I joined after talking to Matt from Gearhead. Just wanted to say how happy I am with Matt's tunes and his service!! I have used several tuners over the years. I got Matt's tunes about a...