18" wheels

dgibby said
rear are 18x8 4.5 back space 235/40/18 tire size

View attachment 1714933553

What's the front wheel and tire size of this convert? I've got a similar 67 and want to do 17's in the front and 18's in the back but really don't want to do any modifications to make them fit. Did you have any fitment problems at all?