Well it's pushing it a bit. Hard to say. You will have a speedometer error of 3.7%, meaning that when your speedo says 60 mph you are actually doing 62.2. Also the new tire is about 1.2 inches more in diameter, which means you'll need the right clearance for turning or for when the truck hits a bump.
About the only thing you can do is fit two of the tires on the rack and see how tight it is under there. If the tire nearly touches the fender on a turn, or is too close to the suspension, you know that's not going to work. As for the 3.7%, most experts recommend no more than a 3% difference but I'm not sure how they came up with that number.