6.6 Chevy gas engine
? For any one with the new chevy 6.6 gas . About what is your fuel mileage not towing ? If you have towed with it fuel mileage
Forum Discussion
Retired JSO wrote:
I have a GMC Yukon 6.2, 3:23 rear gear and the 10speed transmission is flawless towing around 4,500 lbs, my golf cart and zero turn, and produces 13 mpg on the road at 65.
I have an Allison with an 8.1, which is only 340 HP and it works fine.
