> The syncro does not take "the regular sachs clutch."
> You need a syncro clutch...different part number,
> different clutch.

Actually, Sachs specifically states in their literature that their stock
228mm clutch is for both Vanagon 2WD *and* Syncro.  I am looking right at
their book as I write this.  The "heavy duty" one to which you refer may in
fact simply be another brand, perhaps a Luk (also good quality).  I'm sure I
can get it too if anyone were interested, although so far I've never had a
request for one.  Sachs did at one time specify a different clutch for
'90-91 Vanagons (both 2WD or Syncro), but now supercedes both to a single
model for all Vanagons.  Regarding clutch chatter, this is most often caused
by factors other than the clutch, but made more noticable by the
installation of a new clutch. It kind of like the person who fixes a loud
muffler and suddenly discovers a valve tap he never heard before.  You
should resurface your flywheel and check/replace your motor mounts when
doing a clutch job to prevent chatter.  See the archives, the clutch chatter
issue has been covered numerous times.

- Ron Salmon
  The Bus Depot, Inc.
  http://www.busdepot.com