How to: Ruin a perfectly good C10

[gringoloco]

Well, seems like every project gets bit by the cancer bug sometime in its life. One day you're chugging along getting ready to install your sweet porterbuilt suspension when you remove a fender and find a few bubbles in the cowl. No big deal, you think, until you start poking at it with a screwdriver...

Best part: this was covered in a layer of bondo before being sprayed with bedliner/undercoating There was also a thick, rubbery sealant applied over bare metal in the wire gutter which trapped water, but there thankfully doesn't appear to be any rot through, just surface. Wonder what other surprises the PO left for me on the firewall? Guess I'll find out soon enough