ENGINE:
The "MO" is gone in 1969 replaced by CE motor short block CE 9A 49906. So can I assume an early owner made a warranty claim?
It is what it is,,,but it will stay that way unless some magical miracle the orig motor shows up.
Trans:
The as built M21 w/ tag, stamp, & vin is intact & rebuilt.
Rear End:
The 12 bolt was long gone. So when roger bought it in 2004 is had a rusty 10 bolt in it. So here is where it get interesting. A local guy parted out a plumb 1967 Z28 ( Story no proof) in the 80's and harvested many Z Parts, including a "PU" coded 12 bolt. Roger bought it cut off the traction arm mount, removed the mon leaf spring mounts and welded on multi's and rebuilt it and installed in this car, So Not a technically correct item, but I am not worried in the least.
When speaking to the HURT part of the story; Roger told me his Uncle spun a rod bearing in 1979 and parked it to fix it someday which never came around and the car sat outside till 2004, that time & PNW moisture surface rusted a lot of parts not to mention the frigging RAIN, oh this place feels like Alaska sometimes.......
but I am getting ahead of myself.
Jim