Thank you guys, I will definitely give the Diablo Tow tune a try. I just asked because one of the service techs at Diablo had told me I could get equal performance towing by using 93 octane with the 87 octane performance tune.

I have a 2014 GMC Sierra 1500 5.3 4x4 truck and a Predator 2 Platinum 7271 App Ver 13, IAP Ver 23, VID Ver 14, DB Ver 807, SN 201398372. My first question, Do all the canned tunes have the same trans settings or do they vary from tune to tune? I have been using the 87 performance tune and option the ...