Hey guys! First post here. I got an 03 LB7 a couple months ago and I'm thinking about getting a new tuner. Right now, it has an edge juice with attitude control module. This seems like a pretty old tuner that what I can find came out around the time the truck did. I'm looking at EFI live. The two I have my eye on are the PPEI by Kory Willis package tha comes with the autocal and Edge CTS3. The other is by Duramax Tuner spade jack with the autocal and CTS3. They both come with 5 tunes. Of these two, which package would you recommend? Would I notice a difference in these from my edge in mileage, power, etc.? I'm only getting around 11 MPG now. Sorry for the long post, just trying to nail this down before I spend the $$. Thanks!