DIY-WB defined

[Scott Pearson]

This is where alot of us have been getting them. If you're in good with your
local NAPA store, you can even get them cheaper than that sometimes. I think
mine was something like $128. Price seems to change from day to day though.

Scott

----- Original Message -----
From: "Rob MacMorran" <rmacmorran at yahoo.com>
To: <gmecm at diy-efi.org>
Sent: Friday, August 24, 2001 5:27 PM
Subject: Re: DIY-WB defined


> Thanks.  I don't know if this is already common
> knowledge, but you can find the Napa o2 sensor online
> at:
> www.napaonline.com
> Choose Advanced Search and enter the part number below
> OS791
>
> The price is $140.
>
> --- Bob Valentine <bob at tecmark.com> wrote:
> > You might try starting here:
> >
> > http://www.diy-efi.org/diy_efi/projects/diy_wb/
> >
> > There's also a lot in the archives.
> >
> > -> Bob Valentine
> > -> bob at tecmark.com
> >
> > At 02:17 PM 8/24/2001 -0700, you wrote:
> > >Very cool.  Do you have information on the source
> > for
> > >the sensors?  I'd like to check them out.
> > >
> > >- Rob
> > >
> > >--- cmillard at crutchfield.com wrote:
> > >> Rob,
> > >>     The purpose of the Do-it-yourself Wideband O2
> > >> sensor is to replicate a
> > >> air to fuel ratio tuning tool that normally is
> > only
> > >> available starting off
> > >> at $1,500(est.)
> > >>
> > >> Why:
> > >> Most factory fuel injection systems use a NB
> > (Narrow
> > >> Band) O2 sensor, or
> > >> two, or four, which are really only accurate at
> > >> stoich (14.7:1) This is
> > >> useless for WOT (Wide Open Throttle) tuning,
> > since
> > >> we're shooting to tune
> > >> anywhere from 11.0:1 (big blown) - 13.1:1 (NA) at
> > >> this point.
> > >>
> > >> So:
> > >> A wideband sensor is accurate in a wider
> > spectrum,
> > >> giving us the ability to
> > >> tune the AFR's we need. An interface will be
> > needed
> > >> to report the data (bar
> > >> gauge, digital gauge, voltage output to pcm for
> > >> logging, whatever.)
> > >>
> > >> Thus:
> > >> The DIY project allows individuals to buy a PCB,
> > a
> > >> parts kit, and an
> > >> inexpensive (couple hundred est.) factory
> > wideband
> > >> sensor for input.
> > >>
> > >> Conclusion:
> > >> I've watched this project for a long time and
> > envy
> > >> the wealth of knowledge
> > >> shared in development, I wish I could have
> > >> contributed, but It's way outside
> > >> my field (and caliber).
> > >>
> > >> I have faith in the project and my skills, so I'm
> > >> going for it. DIY is the
> > >> way to go when other methods aren't cost
> > effective.
> > >>
> > >> Hope this helps,
> > >> -Christian
> > >>
> > >>
> > >> -----Original Message-----
> > >> From: Rob MacMorran [mailto:rmacmorran at yahoo.com]
> >
> > >> Sent: Friday, August 24, 2001 2:44 PM
> > >> To: gmecm at diy-efi.org
> > >> Subject: Re: DIY-WB Parts Kit update
> > >>
> > >>
> > >> Can someone re-explain the purpose/use of this
> > kit
> > >> for
> > >> new list members like myself?
> > >> BTW, hello, I am just a guy in St. Louis, MO who
> > has
> > >> too many hobbies and too little time.  I joined
> > this
> > >> list because I have a general interest in fuel
> > >> injection systems and improving fuel economy
> > (also
> > >> on supercarbs list (which
> > >> is not just about carbs btw)), but also because I
> > am
> > >> currently sticking a 95
> > >> Corvette LT1 motor+transmission into a 1976
> > Datsun
> > >> 280z for my weekend fun
> > >> car.  I will need to modify the ecm for various
> > >> things such as VATS and the
> > >> fuel curve (because I will be installing an ATI
> > >> supercharger as
> > >> well.)
> > >> I plan to use the car as a test bed for some fuel
> > >> economy experiments including hydrogen boost and
> > >> water injection...
> > >>
> > >>
> > >
> > >
> > >__________________________________________________
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> >
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