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#1
03-02-2009, 03:42 AM
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Late 512 blocks
I have 2 4 bolt main big block with casting date of j10-9 and L 9-9. One was decked and has no # but an assembly date of 10/9/69 the other is a CE stamping. Would these be 427's or 454 block? Any help would be appreciated. Thanks
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