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Old 09-19-2018, 04:02 PM   #179
Graham57a
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Join Date: Aug 2010
Location: Asheville, North Carolina
Posts: 1,838
Re: 1968 GMC Shorty - Pearl

Just realized I never documented my rust discovery on my cab floor so here it goes:
While tying in my DS inner rocker patch panel I was having a hell of a time finding good metal at the front drivers floor board, I took a wire brush to the entire floor pan and discovered that the old bed liner that was sprayed on the floorboard years ago was holding moisture and generating rust. Luckily the only rust that ate through was at the drivers feet but the rest of the cab had heavy surface rust. First thing I did was get some aircraft stripper and get all of the paint off, then I took my DA to it which helped some but not really cleaning out the putting, now I’ve been treating with ospho and wire brushes but I think I’m gonna have to go to naval jelly to really kill it. It’s been a pita but I’m glad I discovered it before the truck was going back together.
Game plan once all rust is gone, I’m gonna cut out the entire drivers side foot board area and replace with a patch panel. Once all metal is good and rust is gone we will get the por-15 treatment top and bottom and then new SEM bedliner top and bottom to seal everything up once and for all
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ANDREW

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