fronts can be from a 185 to a 205 and look ok rears are 275 on the small to a 315. You dont need a 10" wheel in the back, thats huge!! Especially with the smaller carrier.
On my Centerlines i run a 165 r 15 and a 275 or my 8.5 slick.
i was thinkin about the 165 fronts and 265 50 for the rear, and to rice slayer. its a v6 so it puttin out much. for when i put the 5.0 in i have 8.8 layin in the garage
8.5's is what i have with my centerlines and my weld pro stars. 275 50's look good. 60's look real beefy and give you a really agressive stance (28" tire)