[tentcamper]

Mountains is always interesting. I started towing a 31' TT in the late 80's with a full size van and a V8. It would drag down with those V8's. Today some V6's have more HP then those V8's with some of today's V8 being almost 2X the HP.

Going down hills it still about the same with the down shifting and engine braking based on CI displacement. Going up you now can zip up with the new V8's. I'm okay with a little slowdown, but that is what I use to. But when I get the 10+% grades it sure would be nice to have a huge HP power plant.