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Click on image for the lowdown. 
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| | | Forums66 Topics128,080 Posts1,055,946 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: Oct 2001 Posts: 194 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2001 Posts: 194 | If you can zoom in close enough on the link photo below, you can see a "170" written on the center of the firewall. This was written with what looks to be a grease pencil. It is a factory assenbly marking. This is on a 52 GMC. http://community.webshots.com/photo/58753176/58833494PeYffM | | |
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