Thanks buddrow,
I am still reading all I can on the subject and looking for the files I need. I removed the valve covers yesterday and found #6 intake lifter is compressed and the rocker has a big...

Hi everybody,
I have a 2011 GMC Sierra 1500 4x4 that I am about to start a DOD delete on. I hope to use Tunerpro to disable the DOD in ECM. I may also delete VVT but have not decided for sure yet....