I plan on doing this as well. I'm assuming it's now 275/60R20 since I don't see the A/S+ 3 available for the 275/65R20 on TireRack? As @ATL_R1S, I'd love to see pictures of how they look!
Now that the wheel sets are on the Gear Shop, I was thinking of getting the 21" wheels and then buying a set of the 20" Darks, but changing it to 275/60/R20.
I saw that this tire calculator shows speeds will be basically the same as displayed, but do you by any chance know how to calculate the...