thx

Also dumb question but on this link http://marylandspeed.com/advanced_search_result.php?keywords=U7193
It shows like cadillac, corvette, pontiac but no GMS 03 sierras........assuming that if its a U7193, no matter what it says in the description it will work or does it have to be ordered ...

Thanks even a 3 MPG would pay for itself in first year. I'll give it a go..........so once you program it with this thing you take it off and store it in your house etc.? Or do you have to constantly be using this. IE. If I have a friend that has one/or a shop that has one they could flash it for me ...

Wanting to get the diablo programmer, currently getting 11 MPG and I hear that this thing will get the mileage upwards of 18-19??? Anyhow, if so does anyone have a PN for the programmer as well as the usb/power supply stuff needed to update the software on programmer etc. Also, is this easy to use ...