mrxlh
Oilfield Trash
After the latest flash recall, I went camping with my toyhauler in Arkansas. I averaged 7.9mpg there and managed to squeek 8.6mpg on the return trip. I think that I have figured out something on the 6.4. On th eway back I was really watching the boost gauge. The sweet spot is not speed or rpm related so much as it is boost related. Next time you take a trip towing, try to keep your boost under 20psi and see if it helps.