I used to pretty much haul ass with my truck camper but noticed that I was always passing up 5th wheelers. What's your recommended interstate speed. Is 75MPH ok? My 3500 Dodge seems to like 65-70 w...
I used to tow at 70-75 mph, and got 5-6 mpg. When I retired, I slowed down to 60-62 mph, and now I get 8.5 - 10 mpg. In my humble opinion, that's worth slowing down for.