I think that I am experiencing this same problem.  If anyone has any ideas
please post them to the list. Thanks.

Cory
'86 Westfalia

On Sun, 20 Apr 1997, Bill Kenneke wrote:

> I am having a heck of a time setting up my engine.  If I set the 
> timing to specs (5 ATDC), the engine barely runs and will try to 
> stall after revving it.  It will run fine above 2000 rpm but will 
> cycle from approx 400 - 1000 rpm at idle.  The Hall unit checks out 
> okay, fuel pressure and flow volumeseems good, but I think that the 
> vacuum unit is not doing its job.  Vacuum seems low at the fuel 
> pressure regulator unless above 2000 rpm.  
> 
> Any tips or advice from anyone (besides my wife's "Blow it up!"), 
> would be appreciated.
> Bill Kenneke
> '85 GL Camper
> kenneke@clis.com
>