Originally Posted by packplantpath
Ah crap. Now i gotta try premium....
Yeah, I know.....me too....
Although I will say that I towed our 28 foot TT many thousands of miles last summer on regular fuel, and up to 7,000 feet altitude on some mountain passes, and it seemed to do fine...definitely am going to have to try 91 octane for towing this summer...maybe I CAN get better than 8.5 mpg!!!