I don't have any plans for this combo, but I am just looking for opinions. What about a 4.8 crank in a 6.0 block for an everyday driver twin turbo RCSB 2WD. You would have a 4 inch bore to let the heads breathe and a 3.270 inch stroke for a little better fuel economy. After all 99% of the time you are not in boost. I know it would be down a little on torque while out of boost, but the turbos would take care of that while in boost.