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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Oct 2009 Posts: 83 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2009 Posts: 83 | Your roof has probably had some weight put on it stretching the metal.
You can shrink the metal using heat and quenching or you can mechanically shrink it with a hammer and dolly. See the book "AutoBody repairing and repainting' by Bill Toboldt.
1999 GMC Yukon
1957 GMC 100 Panel
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