Thanks, Jim. We haven't had much problem with the tranny, other than the fluid got dirty and we had it flushed about 4 yrs. ago, then 1 1/2 yr.s later they "recommended a flush", and I told them they had just done it, so they did it again at no charge. We would be going mostly on flat land, but then on Hwy. 1 North of San Luis Obispo on a very winding, sometimes hilly road for about 100 miles twice a year. Thanks for your input. We have on old Ford truck we're towing with, but can't bring a third person, and it doesn't have airbags, etc...