How many O2 sensors?

[Kooser, Jacob]

Bruce, are you using anything to display the o2 reading, or do you just use plug cuts for tuning / monitoring?  The nordskog unit is a pricey guess-o-meter, could I get better results from an LED display, or with a meter?  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

> -----Original Message-----
> From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
> Behalf Of Bruce
> Sent: Thursday, January 24, 2002 2:16 PM
> To: diy_efi at diy-efi.org
> 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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