a/f analog gauge choices

[jdbubb@ix.netcom.com (Dan Bubb)]

That's a damn pretty gauge!
To bad it will tell you less than shit about the actual A/F ratio you're
running!
Really no matter if it has 1, 3 or 4 wires the O2 sensor is virtually a
switch and the meter treats it as if there is a linear relationship between
voltage and A/F ratio. That's why these meters are useless!
Did you notice how it says; "Accurately displays 14.7: 1 Stoichiometric Air:
Fuel Ratio" with no mention of accuracy beyond this range?
It's pretty much down to; do you want the pretty gauge face with no accuracy
or do you want an instrument to set up your car.
Check out www.diy-wb.org or www.fjoinc.com for more info. Both use a 5 wire
sensor with a controller to pump the O2 content in one cell to get an
accurate reading from the other O2 cell trully over a wide band.
Dan
going off on this subject one more time


----- Original Message -----
From: Kareem <6keb1@qlink.queensu.ca>
To: <scirocco-l@scirocco.org>
Sent: Saturday, April 06, 2002 10:08 PM
Subject: a/f analog gauge choices


>
> I want to install an air/fuel gauge in my
> 2L 16v. Is there an OEM look analog guage (VDO?) available??
> I'm interested in an analog display like
> http://www.nordskogperformance.com/d70140.html
> not the LED style output.
>
> Thanks,
>
> Kareem
> 81 S
> 88 2L 16v
>
>
>
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