I'm using 7 to 7.5 and seems to work fine, but with the exhaust brake enabled brake usage is at a minimum now compared to our 2005. We're loaded to the gills, so we're running on the heavy side, but that setting seems to work for us.
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
|