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I can't tell you what blocks you have without a different casting number. There should be more numbers on the blocks. The numbers should be similar to the head casting numbers. Example: C8AE-A is a 68-76 390 block.
As for the heads:
C4AE = 64-65 352,390
C8AE-H = 68 std. 390 w/AIR
I got that info from "How to Rebuild Your Big-Block Ford" by Steve Christ.
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