[Black R]

Originally Posted by Broadfield

It depends on the tire, but a 275 is about as square of a size as you can get for a 10" wheel. A 245 on a 10" would be a stretch to me, but not to the stretch guys.... that's nothing to them. Here are some very old pics of my car with 245/40/18 on a 8.5" +32 up front and a 275/35/18 on a 10" +44 out back...

Did you have any issues with inboard clearance with this setup in the rear?

If not, then a 12" wide wheel should fit perfectly with 50mm overs, and using your example it would need to be a +19.