> Now, I also have one of those GPW replacement motors that were sent out with > NO serial number on the boss (no, it has not been ground off, as you can > tell if that has happened). This is a G12522 cast block (July 12, 1945) that > now has "I3537 X" with the crossed cannons of the ORD DEPT underneath that > stamped on the OPPOSITE side of the block from the boss. I believe this was > installed into GPW 13537 and stamped accordingly. > > The interesting thing is this block could be used in GPW 13537, or it could > have some JB weld covering this stamping and a "new" number stamped into the > boss for a July or August 1945 GPW.....hmm......