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With that late of casting date it sounds like it's one of the last 383's made, OR it's a warranty block and they just used a 400 block and bored it to 383 specs, neat piece though




This is not the first time this has come up , the fact that it doesn't have a VIN points to a replacement block, without paperwork to back it up np saying what is going on in there .

OP , what is the SPD of the car ?