More Power means better towing not just faster.

Airstream trailers are no light weights so the more power the better.
Most new V6's are smaller and have more Hp and TQ than our V8's.

The drive train is stronger than most people think,,and the people that
want to make it stronger can ,,but I think its over kill unless you put very large tires 35''

At this point its just a few more $K's and its done.

 

Delete all your bumps, so I don't have to.
Our power trains are not the strong, 2 very weak spider gears and 35's and you wouldn't make it over the first set of hills.