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1987 GMC Caballero, 350, Holley Sniper EFI, 200-4R
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994 Posts
Jason, what caused the rust at the pinch weld? Your truck has been painted. Did the printer not prep & preserve that area, because it looks the same color as the outside of the door.
If that was my truck, I would mask off the outside areas to the best of my ability. Remove as much compromised paint as possible. Seal it really well, either with an epoxy primer or similar product. A couple of coats of primer and a couple of coats of top coat would be my recommendation.
As far as the rust inside the door; if you had never showed us, only you would know. You may consider replacing your outer window seal on the door near the mirror. They're not that tough to change out. One of your manuals should explain how. Double check the drain holes before reinstalling your inner door panels
 
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