Obviously you'll hang out more than you are if you have 3-1/2" BS now. Have you considered 4-1/2" with a "if necessary" spacer and longer shank lugs to clear suspension?
10 X 15 X 3-1/2 BS Draglites 265-60s on stock 8-3/4 axle/brakes...…..
Since ya' ask, ..... na, not me.