I need some professional help!!
On my F100, the back of the cab is in pretty bad shape and I'm not sure on how to take this on as I'm not a body-man.
The corners have been replaced with patch panels welded in okay There is a natural curve in the cab from the center out to the cab corners and down from the back window to the floor but the panels are quite wavy both vertical and horizontally. Do I shrink these with heat( they are somewhat oil canny) to get them straight? I have included a few pics with a straight edge trying to show what the problem is.


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Sections 3&4 seem to be okay
Section 2 bulges out
Sections 1&6 bulge out as well but closer to where the patch panels were installed.
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Section 2 looking from the side
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Section 3 looking from the side
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Section 2 looking top down
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Section 3 looking top down
Any help/advice would be greatly appreciated.
Thanks