å0 road runner dust rails

Does anyone have a diagram or measurements available for the 70 road runner dust trails. Thank you

I'd bet Rick Ehrenberg - member here, Ebay seller, & Mopar Action is another way to contact him.

here's the factory drawing from one of his articles & a layout I did to emphasize that it is not a straight horizontal line - from the middle of the 1/4 panel scoop moving up & over the front wheel opening