Question for the guy's with duallies and big campers

If you get a Diesel engine you will be in cruise control at 80 mph in overdrive with the A/C on up the steepest grade and only when it gets really crazy will you have to downshift.

I agree with above posters that gasoline will get it done as well, but guaranteed if you are used to being loaded heavy with a 351 Windsor, you're going to be absolutely shocked how a modern Diesel attacks the mountains compared to that.