>
>
> There may well be emissions implications, I dunno.
>

This is probably likely, because my 82 california van had an Idle stabalizer,
and 49 state and canadian vans of that year did not have the stabalizer.

Greg 82 westy.

>
> >Interesting. I had not about how it might be limited to control only over
> >an rpm band. Certainly the observable effect is as you described, but do
> >we know if the circuitry is actually designed for a specific rpm band or
> >whether its effects are just more observable at the lower rpms?
>
> Rev the engine and watch the timing smooth out as speed increases...
>
> >  Regardless, it is still active, "on" circuitry at all rpm's and
> > therefore subject to causing problems at all rpms when it begins to fail,
> > which is really the point I wanted to make.
>
> Absolutely.  It can blow at any seam...
>
> d
>
> --
> David Beierl - Providence, RI
>   http://pws.prserv.net/synergy/Vanagon/
> '84 Westy "Dutiful Passage"
> '85 GL "Poor Relation"