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Mod | | | Forums66 Topics128,051 Posts1,055,714 Members48,426 | | 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
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on the Internet for over 30 years! and not clogged down
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| | | | Joined: May 2011 Posts: 20 New Guy | | New Guy Joined: May 2011 Posts: 20 | Hi,
I have a transplant engine in my 49' Chevy 3100 pickup.
Numbers are difficult to read # 8701881/ GM2.
Another set GM 15/ 3835637.
And finally B12 887
066
576.
Can anyone narrow down my possibilities? Rust is making it difficult to be exact with the #'s.
Thank you for your time.
Tom | | | | | Joined: Jul 2006 Posts: 482 Shop Shark | | Shop Shark Joined: Jul 2006 Posts: 482 | http://1954advance-design.com/Web%20images/casting-code-photos/low-press-codes-ser-nums.htmlTom, I was already going to email this to you. I'm kinda tired tonight so I didn't try to look it up for you. You might be able to find here. Also, search the forum for the topic and you will probably find some other reference pages that allow you to decode engines by their block numbers. Talk to you soon, Don | | |
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