O2 sensor placement & other questions

[Buchholz, Steven]

Given that you have a heated sensor there isn't to much to worry about in
the location ... AAMOF, mounting it at the "Y" would seem to be the ideal
location for a single sensor in a "V" engine.  The stock OXS on my '85 Audi
is actually on the catalytic converter inlet!  I have a '91 Audi V8 also,
and it has a single OXS mounted on one exhaust pipe but after the crossover
pipe behind the engine.  I would imagine that the units mounted closer to
the exhaust manifold were unheated, single wire sensors ...

HTH!
Steve Buchholz
San Jose, CA (USA)

> -----Original Message-----
> 
>    I've got my O2 sensor placed right after the exhaust Ys 
> together on a V8.  
> Is that close enough to give me a good reading?  It seems to 
> me that most of 
> the ones I've seen were closer to the engine than where mine 
> is.  Just a 
> note: I installed an aftermarket Holley system and am still 
> playing with it.  
> It's a 3 wire sensor.  Does the position sound about right to 
> you guys?
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