John Franklin writes:
What a coincidence!  My front differential disappeared too!!  And to
make things worse, someone installed an alloy engine in its place...then
I realized I was under the Alfa.

In a message dated 97-12-04 23:19:35 EST, SyncroHead writes:

<<
 Mikey,
 Are you sure you mean differential?  It sounds like you might be
describing a
CV joint that fell off?  The differential is the BIG 100 pound object
that
resides in the center under the front of the van between the axles and
is
attached to the front of the driveshaft.
 Jim Davis
  >>

That's right  that's what came apart !!    diff  is still there    just
all
the mounts are gone   it was pushing up into the body on right
turns      hard
to believe  but true