Cool - Thanks. That clears some up for me.

When switching between tunes do you have to go back to OEM them to another or just switch to whichever you want and It knows which one is the OEM tune?

Is it possible to get it back from my laptop if needed? Was that a good idea.

Thanks again,
Doc

Newb here just looking to see if I have this right. I will search for answers to some of my questions, still getting familiar with the site. I have some basic questions to get me pumped for this unit.

Looks like there are 3 basic tunes for the Silverado, unless you have a custom tune installed.

1 ...

Hi Guys!

Just picked up a Diablo Trinity tuner for towing my camper and improving MPG as well. Thought I did pretty good so far. I should have joined the forum before I set it up the instructions here are a lot more clear than in the paperwork that comes with the Trinity.

I backed up the OEM tune ...