he called someone from diablo and according to him the 03-05 trucks have a different hardware program for the trans then the 06-08 trucks. they where not sure which programmers had which hardware so we had to try a few to find one that had the correct hardware from my truck but we never found one ...

That would be a nice feature to have and would solve my issue. Unfortunately, that's not available on my truck. The features of the button were changed in 06 or 07 I believe. As is, the tranny shifts into 4th going up a hill under a load. No way to hold 3rd. Holding in 2nd which you can do is too ...

Can any of the programmed tunes in the new U7137 tuner be used for towing on the Hemi Ram? Or would one have to go back to stock on those days? Was thinking they may be leaned out a bit and cause a problem. I generally run 87, just looking for some more MPG and better driveability.

And while we are ...