Just mark where the rotor points and loosen the ring at the base.  I believe
it is an allen bolt.  Just don't start the engine with it out or you will
have to reset the timing.
Michael in San Antonio
91GL Weekender AT 2.1L 'Gringo'
73 Beetle

On Fri, Apr 16, 2010 at 12:52 PM, B Feddish <bfeddish@netreach.net> wrote:

> I have a spare distributer from the complete extra 1.9 that I originally
> bought. How hard is it to swap this out with my current one to do a test?
> Is there something I can screw up and cause lots of grief doing this?
>
> Thanks,
> Bryan
>