Hi David, check this out, 
http://pwp.usa.pipeline.com/~tforhan/swhome.htm

and  the ol' blue book at,
http://www.kbb.com/buynew.html

 My decision to buy syncro was justified on my 1st trip down to S.Utah
for some early spring biking/hiking. Welll, it snowed sideways almost
half the time but the syncro handled it beautifully. NO price for peace
of mind.
Luck, 
Jay

David E Most wrote:
> 
> I've got a lead on an '87 syncro w/113K westy (base camper - fridge,
> poptop).  (I haven't seen this yet.....was this configuration produced?)
> 
> First, how much does the syncro add to the selling price of these typically?
> (I knnow that this is kind of a ridiculous question, but I just haven't
> seen any syncro westies that weren't full campers)
> 
> Second, how do you test whether or not the syncro works properly?
> 
> I've readd enough to know the rest of the deal, but I've generally
> ignored the syncro posts except those that mention how much tranny
> problems cost.  Actually, for those who know, is there a typical tranny
> repair that syncro owners encounter at some point analagous to the head
> gasket problem?
> 
> If it's in good shape (and I've been told that there's a complete set of
> repair records), then it may sell fast.  So, any replies that y'all can
> make today would be appreciated.
> 
> Thanks  for the help.
> 
> david