I have a complete, running, 351W 2V with FMX that I just took out of my 69.
Engine has about 120K miles, no noises, no smoke, oil pressure steady at 50. Drove the car home to NH from Utah last fall, 75 MPH for 4 days - averaged 22 MPG.
FMX was rebuilt app 20 miles ago.
I'm not looking to sell it in pieces, but if anyone wants a complete engine/trans......