02' automatic 4wd psd. U7170. I only drive this truck on the weekends and after installing the programmer a couple of weeks ago and having some drive time, the truck seems to be adapting better to the program. I have seen some definate power increases, and driving "normal" the truck does great. But ...

they are 325/65/18 toyo open country a/t's

325/65/18

02' f250 U7170. I plugged in the formula you gave me to adjust the trans shift point. Rev/mile = tire size. So my formula came out to be Nov=(582*3.73)/60 which =36.18. I plugged this into the base nov setting on the modify section of the programmer and the shifting was pretty bad, is this right? I ...

What is NOV?

U7170 on an 02' PSD. I went into modify tunes to adjust my tire size for the transmission shift points. I run 35'' tires, do I do this under axle ratio? It says base NOV, what is that?

Thanks

02' Ford PSD U7170. What program is installed on this predator when you buy it new, I bought this one last week. Also can I calibrate the tire size, because the trans seems to shift into a higher gear prematurely.

U7170. I just installed this tuner on the 85hp setting and everything seems fine. I have a 19 ft. small bass boat, and was just wondering if it was okay to tow in this setting. I figured, don't tow in this mode only applied for a serious load.