Originally Posted by sterlingfire
That's why i specifically stated stock tires....i measured probably around 10 random trucks in parking lots and job sites. As long as they have stock tires they all measure within a half inch. It's merely for comparison, it doesn't need to be exact to the mm
Different air pressure and different brand tires can have a fairly large margin of error. 1/2" to me seems like a fairly decent amount when taking on a build and wanting done right. Maybe not exact Mm, but why leave a 1/2" to chance?