Alright, so I have a 13k mile LLY in my 01 3500 (swapped) that I got all stock. Since getting it running and driving, I installed full S&B intake, 3" dp and 4" straight pipe. Transmission also has the same miles. I think it runs ok for what it is right now, and it doesn't blow the slightest bit of smoke. Now that I have hpt, I have been debating trying a small tune until I get 5 tunes. I'm still on the fence about going through with it. First, I know this isn't the most commonly used duramax tool. I have put the scanner on it messing around and it does some weird stuff. Say I disable an injector or raise the idle speed, after removing the commanded function, it doesn't go back to normal operation without clicking out of the program or restarting the truck. I would really hate for something to mess up and brick my ecm. Second, I haven't read on anything diesel yet, so I doubt I would tune it unless I have a direction to go. I wouldn't mind finding something on the repository if I know I can trust it. I'm not looking for crazy hp increase, just something small like 60 a horse. If I can get this to work good, I would rather use 2 credits on here than having to wait and spend 600ish on 5 tunes. Thoughts or suggestions?