----- Original Message -----
From: "Mike Janacek" <mjanacek@snet.net>
To: "Chuck Renner" <crenner@dynalivery.com>
Sent: Thursday, May 02, 2002 4:33 PM
Subject: Re: weber question
> Chuck,
> Since others have addressed the carb questions, I'll tackle the emissions
> ones.
> My '79 easily passed emissions (rolling road) here in CT when it had the
ZS
> even though the car had no cat and a frozen air pump. Last year just after
> the yearly test I changed to HS4's and just two days ago went for the
test,
> again with no cat and frozen air pump. Failed on the CO level, but other
> readings were very low. Strange thing was that I did check CO with my
> Gunstons CO meter and it showed CO to be within tolerance (maybe it lost
> calabration). Now have new/rebuilt air pump on order and will retest
within
> a couple weeks.
>
> Mike
> '79B
>
> ----- Original Message -----
> From: "Chuck Renner" <crenner@dynalivery.com>
> To: <mgs@autox.team.net>
> Sent: Thursday, May 02, 2002 1:53 PM
> Subject: RE: weber question
>
>
> > > ZS:
> > > + This is the carburator equivalent of a smog pump.
> > > It worked <almost> okay, when new.
> > > + They wear quickly causing vacuum leaks.
> > > + Good candidate for an SU or Weber conversion.
> > > + A worn ZS is worse than a mismatched Weber
> > > DGV.
> >
> > Being in the situation where I'd finally like to ditch the ZS on my '79,
> I'm
> > wanting to get a set of SUs. For a tad more than the Weber kits, the
> usual
> > suspects are selling the SU HS6 1 3/4" kits. This looks attractive,
since
> > it's brand new carbs, with the linkage, manifold, etc. included.
> >
> > However, is this going to be overkill on an otherwise stock late engine?
> > Am I better off sourcing a used manifold and linkage, and then getting
new
> > or rebuilt standard carbs?
> >
> > I'm also curious what people's experience has been with fitting dual SUs
> on
> > late cars with regards to emission testing. I have to get tested, but
for
> > older cars it's just an idle test. With my current setup (ZS carb, no
> cat,
> > and air pump feeding the ports in the head), I've always passed with no
> > problem.
/// or try http://www.team.net/cgi-bin/majorcool
/// Archives at http://www.team.net/archive
|