EGOR Output Signal Survey

[miked-ele]

Let's hear it for the Weber 2 bbl crowd!  Glad to see something other than
big V8 iron discussed.  I have used an unheated O2 sensor in tube header
equiped 4 cylinder and have found it sensitive enough to tune the
accelerator pump jet size!  The key problem I have seen is trying to use a
voltmeter with input inpedance of 1 megaohm or greater.

Mike Dekutoski
-----Original Message-----
From: Kooser, Jacob <jake_kooser at mtnsat.com>
To: 'gmecm at diy-efi.org' <gmecm at diy-efi.org>
Date: Thursday, May 17, 2001 1:26 PM
Subject: RE: EGOR Output Signal Survey


>It is a heated 02 sensor, so I don't know what difference, if any, that
>would make.  The VW carb wasn't a "proper" Weber, but one of the Holley /
>Weber "progressive" 32/36 millimeter throat carbs.  Think of a baby
4-barrel
>sawed in half, and they're known for being a bitch to tune correctly.  The
>quadrajet is just a plain ol' q-jet.  No ccc for me me me.
>
>Jake Kooser
>
>-----Original Message-----
>From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
>Of Bruce
>Sent: Thursday, May 17, 2001 11:26 AM
>To: gmecm at diy-efi.org
>Subject: Re: EGOR Output Signal Survey
>
>
>
>
>To big issues here:
>First most carbs have maybe 4 different circuits,  so often the AFR is
>really wondering around alot.
>The oem O2 sensor is basically a switching type sensor so it will swing
alot
>as a matter of just some AFR change.
>
>A proper;ly done Weber will move around alot less then a feedback CCC Q-Jet
>Bruce
>
>
>
>
>From: "Kooser, Jacob" <jake_kooser at mtnsat.com>
>Subject: RE: EGOR Output Signal Survey
>> > For the dasboard gauge thing, I could see it, but
>> > you can get Westach to make you an actual gauge
>> > (I have one) that will take the voltage input and
>> > display it on a calibrated face. Much nicer (and
>> > better damped) than peering at an LED display.
>> > indication for the user, though, maybe a single
>> > "warming" LED?
>>
>>
>> CB Performance, a VW parts place (http://cbperformance.com/) carries the
>> Westach gauges with their own logo on them for ~$120.00.  Might save some
>> costs over having Westach make one specifically for you.  I've got one,
>but
>> I'm not certain I'm happy with it.  I have used it on my air-cooled VW's
>> (with bosch D-jetronic fuel injection), but the needle seems to take some
>> pretty wild swings.  Maybe I'm doing something wrong, or it's just really
>> all over the place.  Tried it on a carbureted VW, and fitted the 02
sensor
>> to my Suburban (with Quadra-junk) and got the same results.  Not so
>> surprised about the carbs not giving consistent readings, though.  I have
>it
>> mounted in a box with a tach, so I can hook it up to any of my vehicles
>and
>> (theoretically) do idle adjustments, carb or FI adjustments, so on.  It's
>> fed by a pair of alligator clip wires, and I'm not certain if there's an
>> issue with grounding between the 02 sensor and the gauge when it's
>connected
>> that way.
>>
>> Jake Kooser
>
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