The date is stamped in the front of the block under the left cyl head. My engine was DW340P25170504. The D is for 68, W for Windsor plant, 340, P for premium fuel, 2517 date code, 0504 for 504 unit built that day. Also had a number on the bell of engine and trans, I believe was the order # not a vin. there was a upside down number on the left side of the 67 block that no others had.
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