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Click on image for the lowdown. 
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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jun 2009 Posts: 807 'Bolter | | 'Bolter Joined: Jun 2009 Posts: 807 | How does a person know that they have a factory original rear bumper? Is it stamped or have raised lettering that reads GM-D?
A PICTURE WOULD SAY A 1000 WORDS!
Last edited by fonz8261; 10/13/2011 2:36 PM.
| | | | | Joined: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | The original factory bumpers were well rounded on all of the edges. The reproduction bumper blanks are simply sheared off, punched out or laser burned, formed and shot right to the plating tanks with out any deburring. All that I've seen have had sharp jagged edges.
DG
Denny G
Sandwich, IL
| | | | | Joined: Jan 2001 Posts: 428 Shop Shark | | Shop Shark Joined: Jan 2001 Posts: 428 | Yes Fonz, original front and rear bumpers have a small, raised GM spaced at intervals across the back.
Bob | | | | | Joined: Jun 2009 Posts: 807 'Bolter | | 'Bolter Joined: Jun 2009 Posts: 807 | This is all good info.
Bob--are you able to post a photo or two of what this looks like?
Thanks. | | | | | Joined: Jan 2001 Posts: 428 Shop Shark | | Shop Shark Joined: Jan 2001 Posts: 428 | Fonz,
Give me a day or two and I'll try to get over to where my bumper stash is. I know I have some with the raised GM letters, they are pretty small if I remember right, about 3/16" .The bumpers on my '50 I have here are originals but not to the truck itself. I just checked and they have MBC stamped in the middle right by the center bolt.
Bob | | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | I have a original front bumper off a 50, with markings. Let me know if you want a pic. | | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | ....pic.... The GM-U to the left is stamped The letters to the right are raised Don't know if the marking on a rear bumper would be different. | | |
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