I have some tunes for testers, and Im sharing. The only vehicles that I have tunes for are 06 Lbz 04.5 lly will have a few for 05 lly tomorrow. I figure this will help some of you guys get started. All of these tunes have verry little timeing changes for i am not an expert. I am hopeing to open up the hpt diesel comunity to share like Bill calls it the "Other Program"s comunity. Send me your e mail and i will give what i got.