Whilst I was doing my reasearch, I had a quote request in for Custom Offsets for the same.
Their proposal (using Fuel Wheels) was;
Front - Fuel Maverick 20x8.25 +122mm Offset
Rear Inner - Fuel Rear Inner 20x8.25 +155mm Offset
Rear Outer - Fuel Maverick 20x8.25 -176mm Offset
So for example, if your running a 285/65R20 (~34.6")
Front - Inner 1/2" less clearance, Outer - 1 5/8" additional stance "poke"
Rear Inner - Inner 1 3/4" less clearance, outer 3/8" additional towards centerline
Rear Outer - Inner 7/16" additional clearance, Outer 2 5/8" additional stance/poke
The outer would sit pretty much flush, but the inner clearance to the suspension was my concern, as well as tthe 2,500lb load rating per wheel.