Al, You should check out the wheels, rims and tires sticky thread at the top of the Big Bolts section. I have a 46 2-ton and it does very well with the 7.50 up front and the 8.25 in the rear. I did have an 8.25 on the front for a short time and it rubbed and was hard to steer.
Stick with the combo you suggested and you will be in good shape. Also check what wheels you have to make sure you are not messing with the RH-5's.
I would also suggest that you have your rims painted and not powder coated. Powder coating tends to be thick and when mounting your tires you will chip whatever coating you go with and powder isn't exactly friendly to being touched up....
My $.02 worth!
