[Diy_efi] Wideband O2 and turbo motors...

[Jim Butterfield]

yes the wideband goes after the turbo, and it  needs to be away from heat sources... those wb's cant handle too much  heat, but I havent heard of 50", check with the manuf. of the sensor...  ours is 18" on a 3800SC engine
  
  jim

"Mike Anders (Nissantalk.com / Altimas.net)" <djzkb at comcast.net> wrote:  The wideband should be after the turbo, I believe 50" (inches) down from the
turbo.


----- Original Message -----
From: "David Allen" 
To: "WB-O2" ; 
Sent: Friday, November 18, 2005 10:04 PM
Subject: [Diy_efi] Wideband O2 and turbo motors...


>   I'm planning to get (make or buy) a wideband AFR meter for tuning my
turbo
> engine.  Having no experience with these i've got a few questions.
> Is it best to install the WB-O2 sensor before or after the turbo?  In
other
> words, should it be between the manifold and turbo; or between the turbo
and
> muffler?
>   I've insalled a conventional narrowband O2 sensor before the turbo in
the
> crossover weldment.  Here, it samples blended exhaust from all 6 cylinders
> just before it enters the scroll housing. Would this suffice for a WB
sensor
> or do I need a second, after-turbo fitting?
>   Second, what should I expect to spend for a commercial wideband AFR
meter,
> preferrable one with a simulated narrowband output and datalogging
> capability?
>   Thanks in advance,
> David
>
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