Yes foresure and dried out seam sealer doesn’t help as well in drip rail. I’ve also always had a mice nest up in that eyebrow area when I’ve removed roof panels off these trucks
QUOTE=MP&C;8832145]Those are rust from condensation inside the roof over the years draining to the low area, rusting from the inside-out..
Roger's thread is about the best in showing this cause/effect:
http://www.67-72chevytrucks.com/vboa...d.php?t=582950
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