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1976 CCSB Duramax Project #trucknamedsue
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12-23-2020, 04:45 PM
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RADustin
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Join Date: Jun 2017
Location: New Orleans
Posts: 386
Re: 1976 CCSB Duramax Project #trucknamedsue
cover some sheet metal fab on the cab.
Pictures the blast guy sent me-
the cab came back super nice. Minimum rust, rockers were perfect. Little bit in the cowl and a few pin holes in the floor board and one spot in the roof.
with cab removed I planned out what I wanted the firewall to look like.
3D scanned everything and drew in the fillers I wanted, using a simple AC bulkhead. I want symmetry side to side without doing much to the drivers side. So adding in some beads at the top would do that. I also wanted it to look very stock when done, with panel overlaps and visible spot welds. I'll get more into this later.
started working on some patches-
The upper piece is just beads, so I bought some dies and ran them myself.
The ac buckhead was mounted by stamping the sheet metal. So I made a stamp, and popped it out.
starting to take shape- I wanted to leave the factory seams and wrinkles in the firewall. Again, I wanted a very 'stock' look.
regarding the ac bulkhead, I wanted to use AN fittings for the heater lines. I'm not a fan of ac fittings for this, so I machined some AN bulkheads to fit in the bulkhead plate. Worked pretty cool.
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1949 Chevy 3100 P/U
http://67-72chevytrucks.com/vboard/s...d.php?t=302780
1976 GMC Sierra Classic C35 CCSB
http://67-72chevytrucks.com/vboard/s...25#post8188825
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