speaking of post-fuel pump travels:
just made a nice 4 day short trip of ~400 miles, with NO mechanical issues from RV!!!
The bed/sofa still sucks, but I've taken off the fabric covered wood trim at the end of the dinette that keeps the seat from sliding about. It also was a high point just under my lumbar spine.
There still is a divot where the sofa cantilevers out to match the dinette seat. Sofa is about 2" low, will be applying some kind of blocking to hold it up to level. Have a couple plans in mind.
Also, our spendy little foam pads, proved to be VERY comfy despite the cost & the continued divot issue.