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Click on image for the lowdown. 
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| | | Forums66 Topics128,088 Posts1,056,416 Members48,443 | | 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!
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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: Dec 2007 Posts: 91 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2007 Posts: 91 | The numbers stamped on the engine block in back of the distributor is GBA325874. in front of the distributor on the block is GM 48 with a circle around it below that is 385253 below that is 20. These numbers are not stamped in the block but look to be cast in the block
Thanks
Bennie | | |
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