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1972 GMC duramax build
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11-28-2022, 02:52 PM
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1tonwannabe
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Join Date: Jul 2009
Location: Johnstown, Ohio
Posts: 150
Re: 1972 GMC duramax build
I shortened the frame. I cut the factory weld on the 2003 frame, and removed 16" and slid the frame back together and welded it up. I shortened the brake lines, and fuel lines. I had to drill new crossmember holes, and holes for the torsion bar support bracket. I braced the frame with I-beams before cutting.
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