Might I ask what DoD stand for?

edit: Disp. on Demand

sorry

I have a 2005, no DoD for me.

Hummer83, your tuner is unlocked, right? I think i read it somewhere that it was.

Would any of you be able to answer my question about the tunes?

Here it is again:
I have a 2005 Suburban Z71 5.3L, and I have no experience with handhelds or other methods of tuning. My goal is to pick up a couple MPGs.

I am looking into buying tuner U7193 for my truck. I recently put larger ...

If I do wind up getting one, Ill keep you in mind. Until then Im still waiting on a couple questions to be answered.

Why are you selling yours?

I posted this question in the general area with no luck, so Im hoping to get some good info here. I have a 2005 Suburban Z71 5.3L, and I have no experience with handhelds or other methods of tuning. My goal is to pick up a couple MPGs.

I am looking into buying tuner U7193 for my truck. I recently ...

I am looking into buying tuner U7193 for my truck. I recently put larger tires on it, and it has a Volant intake. I would use the 87 octane tune. My question is, do I HAVE to do data logging in order to see worthwile results? And if I do, how difficult is data logging for someone with no experience ...