275/60 on 67-69 DART

This tech tip from BBD should be bookmarked on EVERYONE'S computer. Follow the steps correctly and you will have the perfect backspace and clearance for you car. Takes all of the guess work out of the equation. I measured about 10 times before ordering my new wheels and they fit like a glove. Perfectly centered in the wheel well.

How To Measure For The Correct Backspace