Found a few more Syncros the Bay area and one in Reno.

       86 Westfalia Syncro std., no rust ex cond. $11,500 firm 773-685-2222
Chicago

       87 VW Vanagon syncro ac, cd, 4 new tires 85k, clean $10,500 neg.
206-328-5047
       89 Westfalia 4wd AC loaded road ready 95k $18,900 702-323-4943 Reno

       87 vanagon syncro 5sp air $6k obo 415-851-2527
        Called on this one 159k orig eng diff lock some rust dents S.F.