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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: Jan 2014 Posts: 3,690 'Bolter | | 'Bolter Joined: Jan 2014 Posts: 3,690 | Anyone happen to know what gauge steel was used to form original AD floor pans?
1951 3100
| | | | | Joined: May 2015 Posts: 11,125 Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums | | Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums Joined: May 2015 Posts: 11,125 | I believe the floor panels (and the exterior cab sheet metal) were 19 gauge. Closest readily available for patches (flat stock) is usually 18 gauge.
19 gauge (0.0418 inches) is thinner than 18 gauge (0.0468 inches)and thicker than 20 gauge (0.0359 inches)
Kevin 1951 Chevy 3100 work truckFollow this saga in Project JournalPhotos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together. | | | | | Joined: Jan 2014 Posts: 3,690 'Bolter | | 'Bolter Joined: Jan 2014 Posts: 3,690 | Wow. I figured they were thicker than that.
1951 3100
| | | | | Joined: Jul 2011 Posts: 785 'Bolter | | 'Bolter Joined: Jul 2011 Posts: 785 | Best to measure yours to be sure, but as Kevin suggested, most OEM sheet metal components are only 19 GA. They rely on bead details, creases, folds, etc to add structural strength. | | |
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