oxygen sensor location?

[David Hunt]

On the H pipe it seems that you would mainly get the sequential cylinders on
a bank.  For example, on a Chevy 8 and 4 fire before an odd cylinder fires,
and 5 and 7 fire before an even cylinder.  I believe that you would have 8
and 5 cylinders sampled inappropriately.

dh


----- Original Message -----
From: "Jon" <jon at dakota-truck.net>
To: <DIY_EFI at lists.diy-efi.org>
Sent: Monday, July 30, 2001 11:59 AM
Subject: oxygen sensor location?


>
>
>    Is there a consensus on a good location for the oxygen sensor in a
> true dual exhaust system?  I've been doing some research, and some
> people say to just stick the sensor on one bank, others say put it
> in the H pipe to read both banks, others say there isn't enough flow
> in the H pipe to get a true reading...  Its a bit confusing.  :-)
>
>    I suppose it would be possible to use 2 sensors, one on each
> bank, just past the collectors, and average the readings, either
> via a digital circuit or analog, but I don't know if that is
> really nescessary or not.  In my case, the fuel injection
> system is just a simple TBI setup, so the computer isn't
> looking to equalize the banks or anything, it'll just adjust the
> mixture for the entire engine in closed loop mode based on one oxygen
> sensor signal, so I want to be sure I give it the most accurate
> signal possible.
>
>   Any info or insight would be greatly appreciated.  Thanks!
>
>                                               -Jon-
>
>  .---- Jon Steiger ------ jon at dakota-truck.net or
jon at jonsteiger.com -----.
>  |  I'm the: AOPA, DoD, EAA, NMA, NRA, SPA, USUA.   Rec & UL Pilot - SEL
|
>  | '70 Barracuda, '92 Ram 4x4, '96 Dakota, '96 Intruder 1400, '96 FireFly
|
>  `-----------------------------------------
http://www.jonsteiger.com ----'
>
>
>
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