Location of Vin number on 68 340 block

MtNemoMopar said

I have a July 67 cast block, out of a 68 GTS here. The VIN on this one is on the front of the block. My 69 has it on the pan rail.

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Vin for 68 should be as shown in #2 and #3. If yours is on the front it could be a Canadian thing or maybe very late 68 production.

Behind the drivers side head is the standard location for 68s.