Wideband O2 Sensor? - Page 3 - Vintage Mustang Forums
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post #31 of 43 (permalink) Old 12-22-2018, 09:18 PM
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PLX has one that plays through an app on your phone.
https://www.amazon.com/PLX-Devices-M...79117260&psc=1
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Originally Posted by 3154tm View Post
i'd love to hear from somone that's tried this. seems like the bees knees.
Explain to this old dinosaur.....

how is turning your phone into a gauge face better than a dedicated gauge that you can continually make use of to monitor engine breathing. About the same price as the AEM Wideband, so no price advantage. Plus AEM has a long track record of accuracy and excellence.

I'm just not a fan of taking a simple solution and making it complicated. Like trading one 4 barrel carb for 4 two.barrel Webers. .


Z


Last edited by zray; 12-22-2018 at 09:22 PM.
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post #32 of 43 (permalink) Old 12-30-2018, 12:16 PM
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Can't believe it took me this long to purchase one but I got the AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge.

Could they possible make the name of the product any longer?


Just gotta wait and see how it goes.
Trying to narrow down my options for adding the air/fuel gauge.. is there a good reason why I would choose the 30-0300 version vs the 30-4110.

AEM (30-4110) UEGO Air/Fuel Ratio Gauge


The 30-0300 version seems to have to buttons for programming? And a data port on the back. Not sure if the 4110 has that.

Not much difference in price, is either one better for a vintage, carbed 302?

mark
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04 SVT Cobra, Torch Red (daily driver)
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67 Coupe 289,auto,black/black,deluxe (sold)
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post #33 of 43 (permalink) Old 12-30-2018, 12:26 PM
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Iím using the analog 30-5130 kit. It has the data port. I think all the gauges have the port. Itís only two wires.

https://www.amazon.com/gp/aw/d/B004J...op_mb_pd_title

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Patrick
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post #34 of 43 (permalink) Old 12-30-2018, 12:40 PM
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Iím using the analog 30-5130 kit. It has the data port. I think all the gauges have the port. Itís only two wires.

https://www.amazon.com/gp/aw/d/B004J...op_mb_pd_title
I do like the analog gauge, but my engine tuner keep pushing me towards the digital ones. Too many choices.

mark
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04 SVT Cobra, Torch Red (daily driver)
67 'vert 302,4spd,Red/Red (almost ready!)
67 Coupe 289,auto,black/black,deluxe (sold)
67 Coupe I6 to V8 conversion (sold)
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post #35 of 43 (permalink) Old 12-30-2018, 12:45 PM
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For me, the needle is much easier to read and just fits in the overall look of the era of the cast than the digital gauge.


Regards,
Patrick
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post #36 of 43 (permalink) Old 12-30-2018, 03:27 PM
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I do like the analog gauge, but my engine tuner keep pushing me towards the digital ones. Too many choices.
has your engine builder seen the AEM digital faced gauge on a vintage car with carburetor ?

I first tried the digital face AEM gauge on my Paxton GT350's. It was unsatisfactory for 2 reasons. The fuel / air metering on a carb engine is by definition not as precise as the EFI engines. Because of this, the readout is continually flashing from one number to another and to get any use out it you just have to note the two extreme readings and average them.

The other reason I came to dislike it is the digital face is out of place in a vintage car.

Eventually I replaced it with the analog face AEM unit. Much better. The needle is sufficiently dampened so it's movement is steady and incremental. Much easier to use as a tuning aid.

NOTE: the best approach when using the wideband A/F gauges is to observe at what number the car runs best, and stop the tuning there. Later on, if you are having an issue with the engine, you will know what A/F ratio number is the "normal" for your car, and can take the proper steps to get back to that point.

Trying to tune a carburetor engine to achieve a mythical perfect A/F ratio number is never going to have a satisfactory outcome and ends up being a huge waste of time.

Don't let the tail wag the dog

Z
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post #37 of 43 (permalink) Old 12-30-2018, 04:46 PM
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My experience with gauge mimics Z’s. I stopped trying to get the car to run best at the “ideal” 14.1-14.7 reading. The engine just didn’t like it there. My engine idles and runs best around 13.0-13.5. WOT is generally around 12.0-12.5.

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Patrick
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post #38 of 43 (permalink) Old 12-30-2018, 04:46 PM
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has your engine builder seen the AEM digital faced gauge on a vintage car with carburetor ?

Z
Thatís a good question. I have know Fred for over 25 years and hear wored on and raced vintage Chebbys, Porsche, bikes and all sorts of stuff. I do know that he has spent the last 10 years getting into later model LS and EFI cars as he is neck deep in the drifting scene. He is my best local resource for setting up and tuning this new Holley carb and my mechanical SBF.

I may just go with the analog anyway as I am pretty committed to the vintage look for this car.

This car is a 67, but I have always wanted a 68 style Shelby console. And think this analog gauge would be more useful in one of the gauge spots vs another voltage gauge,

However, I will probably custom order the console, and could probably get 4 holes for gaugesm so .. A/F, OP, Volt and Vac might be nice,

mark
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67 Coupe 289,auto,black/black,deluxe (sold)
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post #39 of 43 (permalink) Old 12-30-2018, 05:16 PM
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My bro gave me a analog Holley WB for xmas. My car seems to be running really great, at least I'm pleased at how it runs since I put my GT40P in. My extent of tuning consists of setting initial timing, I have no idea on point gap or dwell. Carb tuning is nothing more then idle mixture adjustment. I bought the carb used, it had been sitting in someone's yard shed for a couple years and I simply bolted it on as is. Im very curious as to what the wide band will show. I'm sure there's a lot of meat left on the bone between checking dwell and mechanical advance curve and fine tuning the AF.

Tom

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post #40 of 43 (permalink) Old 12-30-2018, 05:29 PM
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Any thoughts on the Speedut A/F gauges. They would match what I have planned for the dash gauges..

https://www.speedhut.com/gauge/GR1-2...18-(w--warning)

mark
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04 SVT Cobra, Torch Red (daily driver)
67 'vert 302,4spd,Red/Red (almost ready!)
67 Coupe 289,auto,black/black,deluxe (sold)
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post #41 of 43 (permalink) Old 12-30-2018, 05:37 PM
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The Speed Hut gauge looks good, and has the preferred Bosch sensor, so...

Bob


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post #42 of 43 (permalink) Old 12-30-2018, 05:41 PM
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From my perspective, the gauge is just that...a readout. The sensor is the business end and it appears to use the Bosch sensor which is the best available...IMO. What you donít want is a sensor that requires removal every several thousand miles for recalibration.

Regards,
Patrick
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post #43 of 43 (permalink) Old 12-30-2018, 06:03 PM
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Speedhut appears to have several options, and I am a little confused about what I should order, I may give them a call after the new year..

mark
----------------------------
04 SVT Cobra, Torch Red (daily driver)
67 'vert 302,4spd,Red/Red (almost ready!)
67 Coupe 289,auto,black/black,deluxe (sold)
67 Coupe I6 to V8 conversion (sold)
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