westers will sell you one for 99 bucks.
Getting a tunercat II is the real problem.
You either have to by a roadrunner from moates and chuck away the extra hardware, find a used one, or buy westers stuff (it's tunercat's software rebranded. I've done a little mucking around with olydbg and confirmed it).
I've "sort of" written a half arsed intital attempt at an interface (vb5/6) from what I've gleaned from some tech papers and looking at what others have done. Only issue if the passthrough cable. I don't have the knowledge to build that stuff....i have to buy it. Seems to be pretty hard to find one that will flash the PCM....
JET DST might be another option (it's rebranded tunercat II) but I don't know if westers VDF files will work with it.
Knowing jet's rep, I doubt it....
I hear you guys on all the truck modification comments, but it's not going to happen. Not yet.
No money left.
I mean
REALLY no money left......
What small amount of available cash I have left will have to go to the nessesary bits to tow (equalizer hitch, controller, truck skirt, etc) something this big.
Yes, I know power is needed too, but the 6.5 will have to do "as is" for a while....