Mike,
     I did this about 5 years ago. I would NOt recommend this.

            Eric                   86-VW4x4
            vw4x4@fyi.net          72-240z
            Pittsburgh, PA USA     1936-Chrysler

On Mon, 1 Nov 1999, Mike Karseboom wrote:

> To get more snow traction on my 90 GL (non-synchro) I am going to try to
> install a locking rear differential.  The guys at German Transaxle in Bend,
> Oregon say they can do this with a synchro case and lock mechanism.  The
> other internals will be the same as the non-synchro so the van remains a 4
> speed.
>
> This should be an interesting project, but  I need the dash mounted switch,
> vacuum tubing, and the transaxle mounted vacuum canister from the a synchro
> to do it.  Any sellers?
>
> Mike Karseboom
> Mt. Shasta, CA
>