...just stepped up from a 25 foot tt behind a tundra to a 39 foot fiver behind a 3500 duramax. .. ....a little freaked out about negotiating diesel pumps. ..familiar with flying j rv islands. ..bu...
My deciding factor is the height of the awning and ease of getting in and out at the car island, if I clear it then I use the car island, if not, then I roll around to the truck lanes.