Another rear tire size question and advice needed.

A56 said

If you utilize the search function and type in Duster tire sizes it may be helpful.

Click to expand...

I have done that and like I said it's been all over the place.
I'm just trying to save time and money... I have not owned a body long enough to know what the max size that I can put on there without changing anything.. I know it's been talked about a lot.