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Click on image for the lowdown. 
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| | | Forums66 Topics128,078 Posts1,055,935 Members48,430 | | Most Online14,466
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!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Feb 2009 Posts: 38 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 38 | Need to know how to replace or repair rusted out cowl behind front back fenders? | | | | | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | Order the parts you need as if it were a 1/2 ton since all the cabs are the same through the different weight classes. You can get every patch panel that you'll ever need if it's an AD series truck.
Scott | | | | | Joined: Feb 2009 Posts: 38 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 38 | I'm new at this. I see others use the term AD. What does that mean? Thanks | | | | | Joined: Mar 2005 Posts: 92 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2005 Posts: 92 | Advanced Design, which is a 47.2 to 55.1 series truck.
Scott | | | | | Joined: Feb 2009 Posts: 38 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 38 | So would my 51 2 ton 6100 series be an AD | | | | | Joined: Feb 2009 Posts: 38 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 38 | Would my 51 2 Ton 6100 be an AD series? | | | | | Joined: Mar 2005 Posts: 92 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2005 Posts: 92 | | | |
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