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Re: Retrofitting a 02 sensor



Ah, forgot about the heated/non heated thing.  Yeah, I'm planning on using a
Bosch single wire, so  I'll have to mount it in the manifold.  I wonder, is
it going to be a problem mounting it where it only senses 2 of the
cylinders' exhaust gases?

Marc
----- Original Message -----
From: "Christian Els" <tiAn@usiw.net>
To: "Marc Peterson" <mpeters6@rochester.rr.com>; <scirocco-l@scirocco.org>
Sent: Friday, December 14, 2001 12:04 PM
Subject: Re: Retrofitting a 02 sensor


> Mark,
>
> You will want to weld a bung onto the downpipe as otherwise the sensor tip
> will be against or through the far wall of the pipe. It cost me $10 to
have
> the local Muffler King weld one on mine, off the car.
>
> You could prolly get away with tapping a hole in the manifold, if you are
> using a cast piece and not headers.
>
> If you do not install a three wire sensor, you'll want to mount it as
close
> to the head as possible to keep the operating temperature up.
>
> Cheers,
>
> Christian Els
> 1987 Scirocco 16V
>
> ----- Original Message -----
> From: "Marc Peterson" <mpeters6@rochester.rr.com>
> To: <scirocco-l@scirocco.org>
> Sent: Friday, 14 December, 2001 10:35
> Subject: Retrofitting a 02 sensor
>
>
> > I'm starting to gather parts for my JN block/JH head conversion, and was
> > wondering about the O2 sensor.  I'm going to be using my existing CIS
> > (non-lambda) and currently I have no way monitor a/f ratio.  So, I want
to
> > install a O2 sensor that I can monitor with a meter and/or guage.  What
I
> > was wondering is if I could drill and tap a hole in my downpipe.  I was
> > thinking about using the area near the bend at the bottom where the 2->1
> > transition is.  Do you think there is enough metal there for the sensor
to
> > bite on, or do I need to get a nut welded on there?
> >
> > Thanks, Marc
> >
> >
> > --
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> >
>
>
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>


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