Thanks Ralmo! Your list is showing me how little I know about what I'm doing. I did go back and disable EGR and enable trans protection. Those are pretty straight forward for me. The rest I will...

Anyone willing to check my work? This file started as 2001 2500 2WD LQ4 4L80E. Using Hex editor and TunerPro, I removed VATs, Deleted O2 warnings, and changed to 4L60E.

Thanks for that suggestion. Could you suggest what bin has a 4l60e that would be compatible with my 2001 LQ4?

Hi guys. This is my first LS swap and trying to do it all on my own. Eventually, I'll get a professional tune but for now, I just want to see if I can make the swap and get it running. I've...