Thread: Help Decoding Engine Block
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Old 08-26-2002, 10:04 PM
KXW KXW is offline
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Default Help Decoding Engine Block
I need help decoding a replacement block. The block casting number is "3963512". The stamped date code is "C2670". Also, "CEO A" is stamped on the front pad. Current owner thinks it is a 454, 4 bolt main block. Would this be a COPO resplacement block?
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