May run into a between the tie-rod and the drag-link problem. You could always tub the rear of the wheelwell for more tire clearence.
Not worried about the steering box. It will get moved, I have marlins steering box mount in my arsenal of parts!
I can tub the fire wall if need be, but I plan on running 37's, and I hit I barley touch it with 35's. So I will probably need what the springs will give me, and tub it!
PZ