Author Topic: Wide band oxygen sensor  (Read 777 times)

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Offline brucelotus26r

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Wide band oxygen sensor
« on: Saturday,May 09, 2020, 07:09:34 AM »
I'm looking for info about wide band oxygen  sensor for tuning fuel mixture?
I thing Pfreen has one in his car ?

Offline SwiftDB4

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Re: Wide band oxygen sensor
« Reply #1 on: Saturday,May 09, 2020, 08:33:45 AM »
I have a Powerdex AFX unit in my Europa. It's no longer made, but similar unit:
https://www.bmotorsports.com/shop/product_info.php/products_id/2337
There are other types with computer printouts. Just Google wideband O2 units.
I have 2 Weber 45DCOE's on a Zetec engine and the O2 meter is very helpful.
Installation is easy.

Offline Pfreen

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Re: Wide band oxygen sensor
« Reply #2 on: Saturday,May 09, 2020, 09:34:05 AM »
I installed the AEM wideband sensor and display.  It’s worked great.
https://www.amazon.com/AEM-30-4110-UEGO-Ratio-Gauge/dp/B00N3VGPYS

Offline jbcollier

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Re: Wide band oxygen sensor
« Reply #3 on: Saturday,May 09, 2020, 09:57:10 AM »
I have the earlier version.  Works very, very well.

https://www.innovatemotorsports.com/products/lm2.php

Offline rascott

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Re: Wide band oxygen sensor
« Reply #4 on: Saturday,May 09, 2020, 01:15:11 PM »
i have the glowshift version in my s2, and same in my suzuki.
they have functioned well.
some other glowshift gauges i've tried have some issues- when they work they seem reliable...…..
mabe it was just me.

Offline E Paul

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Re: Wide band oxygen sensor
« Reply #5 on: Saturday,May 09, 2020, 04:23:34 PM »
I have Innovate units in the Europa and Seven. Purchased from DIY Autotune. No glitches in 10 years.

Offline EuropaTC

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Re: Wide band oxygen sensor
« Reply #6 on: Saturday,May 09, 2020, 10:53:41 PM »
If you're on Keith Frank's Weber/Dellorto group then there was a good discussion about meters about a year ago. I think it was back on the Yahoo days when it was "sidedraft central" (?) so the posts are probably lost by now, but if you post a question on his new group at groups.io :

sidedraft@vintagetechnologygarage.groups.io.

then I'm sure you'd get a good response.  IIRC Frank uses one in his development of weber jets, etc and is very knowledgeable on this sort of kit.

I bought a Zeitronix version to use on the Europa for when I change cams, but as with all things that project has stalled - first my laziness and then the world shut down.  I did weld a plug on the Elan exhaust to try it and yep, they do work. I don't have enough experience to say if it's good/bad/average, I've only tried it once.

If you're using it in a workshop then a simple gauge works fine but it's probably more useful for the DIY guy without a rolling road to be able to drive the car and see what happens.

That's more complex because you need the revs/throttle/mixture data which becomes expensive but if you are going to use it regularly to tune an unknown engine then it's probably worth getting it on your laptop. You can mount the gauge and keep glancing at it but I wasn't confident with trying to drive and watch the gauge - it's a personal thing.

I had a bodgy solution which I copied from a poster on Frank's group where I made a case for the meter with a digital rev counter alongside. Put it in the footwell, point a video camera (or your phone) at it and then talk through the drive.   Best to do it on quiet roads or other motorists will think you're talking to yourself !

Brian

Offline Clifton

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Re: Wide band oxygen sensor
« Reply #7 on: Sunday,May 10, 2020, 05:40:54 AM »
I have the AEM gauge style like Pfreen, works great. I't's not permanently mounted. I've used it on two cars and two bikes. Makes tunning so easy.

Offline brucelotus26r

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Re: Wide band oxygen sensor
« Reply #8 on: Monday,May 11, 2020, 07:39:39 AM »
Thanks I'm going to look into get the one Paul has,
Looking to turn both my Elan weber carbs and tuning my Alfa GTV SPICA???

Offline Pfreen

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Re: Wide band oxygen sensor
« Reply #9 on: Monday,May 11, 2020, 06:30:17 PM »
It helps a lot.

Offline jbcollier

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Re: Wide band oxygen sensor
« Reply #10 on: Monday,May 11, 2020, 09:12:16 PM »
I was working on an Alfa Montreal.  Very carefully set up the injection pump from scratch (oh my lord, the linkage) and lightly dialled in the mixture.  Owner called and said his brother was visiting and wondered if he could use the Alfa over the weekend.  I said sure but not to go too far as I hadn't finalized the mixture.  We're in Edmonton.  He drove to Vancouver (1150 km).  Next stop Calgary (975 km).  And then back to Edmonton (300 km).  2425 km in one weekend.  Ran fine so I guess I was pretty close...