68 GMC vs 70 Chevy cowl

[67chevy1series]

Here is that same edge on a 68 hood. Like I stated in my previous post there is no fitment issues if goods were to be swapped and with a proper gap between the cowl panel and cowl panel seal I doubt anyone could spot a difference with the hoods shut, however just another of many possible tooling changes between 67 and 68. It really would be cool to know why GM made them so different from each other yet they still look relatively the same.