Posted 1/11/2017 18:24 (#5760879 - in reply to #5760814) Subject: RE: Chevy 6.0 with 6 speed trans
North West IA/western AZ
I like the 6 speed much better when pulling a load, I can even use the cruise control without having it running the engine up to 5000 rpms. It gets a little better mileage running empty and about the same loaded.