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Hi all,
I have a 2005 F250 5.4L, and installed a Bullydog about 2 years ago, I pull a 5th wheel camper with it. When first installed I thought it had made a difference, it seemed that the shift patterns had changed a bit, recently it seems like nothing is happening, called them they told me to do some performance testing, so I did a few runs of 0-100kph and got my best time with the tune out. I see 5Star is highly recomended but Im want to know if I will notice a significant difference before I spend the money.
And also anyone else have this with the Bullydog?