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The CASTING ID NO location indicates a CLV BLOCK. The CASTING ID DATE CODE can narrow it down further.
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Ted - the question was on a B4AE block ( see pic), not on a C4AE. Seems to be a 239 block. This seems to be a big mystery that no one has seen before Ted (11/10/2024)
No particular information on my end regarding the C4AE-A designation on the block. Likely a service block and being from a truck, a replacement for an original engine. A date code from the block would help to nail down the exact year the block was actually cast and suspect it was in the 1957/1958 era. That was the period of time Ford was switching over the casting number nomenclature from the old system to the new.
54 Victoria 312; 48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ
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Paul. Good catch on catching what was a typo on my part. I did mean B4AE and have gone back and corrected that. The rest of the statement still stands. There's a good chance that engine is a 239 but it will take a tear down in which to verify as the 256 engines shared the same bore size.
  Lorena, Texas (South of Waco)
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There's a good chance that engine is a 239 but it will take a tear down in which to verify as the 256 engines shared the same bore size.
Which makes me think that the block is a later SERVICE REPLACEMENT for the CLV 239/256 as was the B5AE for the 272 (later service replacement).
This block was most likely the first one noticed.
Need the CASTING ID DATE CODE
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same crank ted not bore size
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darrell (11/11/2024)
same crank ted, not bore sizeWish I could say I was testing you, but you are right. The 256 and 272 engines shared the same block while the 239 and 256 engines shared the same crankshaft. A bit of brain fade here on my part. Thanks for the catch.
Lorena, Texas (South of Waco)
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Another variation - B7ME
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