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- Fri Jul 24, 2020 2:20 pm
- Forum: Decode My Hemi
- Topic: Decode Block Numbers
- Replies: 4
- Views: 11618
Re: Decode Block Numbers
I have a 50's Hemi with the numbers " m354 - | 4 |3 " this number is behind the water pump and center on the block between the heads. I was told that it was a 1954 354 from a school bus. I know it came from a bus, but the 354 didn't come out until 1956. the 4 bbl carb has been added,here i...