F150 3.15 axle 10 speed equals 3.55 axle 6 speed

I'd say just by looking at the charts if you're satisfied with your 2013 with 3:55 gears and you don't expect to get a heavier camper then I'd say you'd be tickled pink with the 2017 with 3:15 gears. I am leery about buying new technology though. I like to wait awhile to see if it pans out.