Thanks Chris, I have managed to decode the number to tell me it is indeed a 1959 Mercury block as you said. I've also found that the options available for 1959 were (312 Y block) MEL 383, and MEL 430. I may have to measure to confirm that the displacement, I was just hoping some decoding would be po...

Hi MEL's group,

I am trying to confirm the displacement of my motor. Could anyone tell me if the serial# found can confirm?

The passenger side of the block:
-B9ME6015C
-92N:1
-11

Drivers side Rear side of the Block:
-5LCCK or 5LCOK?

Thank you for the help!!!