It is harder than that. Technically, we should be taking into consideration the height measurement too. Though, the height would have to be off a significant amount to effect the tape measurement. The so called cross measurement isn't always the tell all answer. Like I said before. Something could be offset but still be parallel to the centerline of the car. Not to mention the individual toe of the rotational plane's. It takes 3 dimensions to ultimately measure something. Length width and height
