Quote:
Originally Posted by bdw18_123
It's on the flange of the block on the driver's side just above the oilpan. It's a number stamp that Mercury Marine stamps on at the time of engine manufacture. It would probably be very hard to see it with the engine installed, the exhaust manifold would be in the way.
Here is a pic of the driver's side of my LT5 with the driver's head removed to give you an idea where the MM stamp is at at (ignore the red dots at the top, was a mistake  ): |
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