How many O2 sensors?

[Bruce]

From: "Kooser, Jacob" <jake_kooser at mtnsat.com>
Subject: RE: How many O2 sensors?
> Bruce, are you using anything to display the o2 reading, or do you just
use plug cuts for >tuning / monitoring?

The oem feeds the ecm, and the second is a DIY WD that displays to a DVM.

> The nordskog unit is a pricey guess-o-meter, could I get better results
from an LED >display, or with a meter?

The sensor they use is junk, basing any results on that is just basing bad
info on bad info.  To read above or below 14.7 with any accuracy takes a WB
O2.

>Also, I see that there are many different o2 sensors on the chart
(http://www.diy-efi.org/gmecm/component_info/o2_sensors.html), I'll be
running a speed density TPI >system, not sure of the ECM yet - still have my
homework to do, and full-length >headers.  Which one is best for my
application, or is it really going to depend on what >ECM I have?  I think
it's probably going to have to be a heated one due to the length of >the
headers.
> Jake Kooser

Using a good heated one is always a good idea.
Bruce
>
> > Behalf Of Bruce
> > Sent: Thursday, January 24, 2002 2:16 PM
> > Subject: Re: How many O2 sensors?
> > I have 2 bungs in my exhaust.
> > One for the WB, and one for the oem one
> > The nordskoddoggie unit is a guesssometer, at best and that's
> > with the oem
> > one, and doesn't work with the WB
> > Bruce

> > From: "Kooser, Jacob" <jake_kooser at mtnsat.com>
> > Subject: How many O2 sensors?
> > > I'm going to get o2 sensor bungs welded into my exhaust on
> > my '85 suburban
> > in anticipation of my TPI upgrade, and to help with tuning the (ugh!)
> > carburetor that's there now.  I know the ECM is going to need
> > an input from
> > the o2 sensor, but I want to run a gauge or indicator in the
> > cab as well.
> > Can the two share the same o2 sensor, or do I need separate
> > ones for ecm and
> > indicator?  Also, could a gauge, like the Nordskog
> > performance analog model
> > 70140 (http://nordskogperformance.com/d70140.html) be used
> > with the WBO2
> > sensor?
> > >
> > > Jake Kooser


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