15 inch wheels on early A body pictures

grimreaper said
205-60R15 front with 73 up front discs. 245-60R15 rears with the Mopar 3/4" spring relocation ( which actually moves each side 1/2" in)

View attachment 1716229434

Looks good.

I currently have 215/60/15 all around but want to go taller than that for the rear. I’m wondering How much the stance would change by moving to 215/70/15 in the rear? That may not be enough.