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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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| | | | Joined: Nov 2014 Posts: 63 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2014 Posts: 63 | 1948 Chevy 3100 truck-
The engine casting number on my motor is GM3 3885849,
I can't find the number on the sites I have found with casting numbers. Any ideas or how to interpret?
| | | | | Joined: Nov 2014 Posts: 63 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2014 Posts: 63 | I am pretty sure that's what it is but will verify tonight. I found the number on the distributor side of the engine and up front towards the fan side. It was hard to see being so close to the frame. Where is the head number located? | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
For locations of all codes, please look at the link that I posted above.
| | | | | Joined: Nov 2014 Posts: 63 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2014 Posts: 63 | You are correct. I was able to take a picture with my camera and the number is 3835849. Since the truck is a 1948, i guess at some point the owner swapped engines for some reason. | | |
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