So there's a 13 on my local lot that has the G56. I owned a 10 with the 68 for a year and a half towing 10K lbs in the mountains of Utah and Idaho. I can't seem to edit my sig right now but I've owned an 02 NV5600, 03 NV5600, 06 Ford 6. 0L auto, 09 GMC Allison, and the aforementioned 2010. I'm...