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Old 12-04-2009, 09:04 PM   #1
vrscdx105
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reading AFR with V-GAUGE?

will i be able to use this feature with my thundermax? where will i tap in the wire from the V-GAUGE?
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Old 12-05-2009, 05:48 AM   #2
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I use the wires going from my WEGO to my Twinscan, don't know where else you might get your readings...but since you have wide band sensors, it should be possible! I'm sure someone will tune in!
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Old 12-05-2009, 08:45 AM   #3
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You have to tap the scaled output form the o2 sensors - not the wire from the sensor itself. On the VRFI, I tapped the wire from the WEGO that goes to the ECU. You should be able to identify that same wire on the TMAX and tap that for the vgauge.

As long as it is a scaled 0 to 5 volt output, the vgauge will read it.
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Old 12-07-2009, 06:58 AM   #4
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Quote:
Originally Posted by Ed-Rod View Post
You have to tap the scaled output form the o2 sensors - not the wire from the sensor itself. On the VRFI, I tapped the wire from the WEGO that goes to the ECU. You should be able to identify that same wire on the TMAX and tap that for the vgauge.

As long as it is a scaled 0 to 5 volt output, the vgauge will read it.
Yes, it will read any 0 to 5 volt signal but it displays the AFR value assuming the 0 to 5 volts are scaled the same as the Daytona Sensor WEGO devices:

AFR value = volts X 2 + 10

If the ThunderMax circuit uses a different conversion the V-Gauge won't read correctly.
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Old 12-07-2009, 06:47 PM   #5
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I would suggest emailing your question on this over to James at Zippers. Those guys now the Thundermax inside and out, and would be a better source of accurate info on compatibility.
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Old 01-16-2010, 02:16 PM   #6
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Where can I buy a V-Gauge?
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Old 01-18-2010, 09:48 AM   #7
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Where can I buy a V-Gauge?
Look here.
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Old 01-18-2010, 12:19 PM   #8
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Is there an I-O&M manual for the V-Gauge? The website where it is for sale has no information on what the gauge reads out and how to access the various bits of information. I think it is what I want but I would like to compare it feature to feature against the Dakota Digital unit.
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Old 01-19-2010, 07:33 AM   #9
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Quote:
Originally Posted by Boilerguy View Post
Is there an I-O&M manual for the V-Gauge? The website where it is for sale has no information on what the gauge reads out and how to access the various bits of information. I think it is what I want but I would like to compare it feature to feature against the Dakota Digital unit.
Steve
Using the search function I found this thread in the classified section with the V-Gauge manual in a post by hafnutz67.

Here’s a quick rundown of what the V-Gauge can display:

There are 4 different screens available in “normal” operation plus an optional 5th one if you have a sensor connected to the 0 to 5 volt AFR input and the input “sees” more than 0 volts.

Display 1: digital gear, speed, RPM, and graphical RPM
Display 2: digital gear, speed, RPM, outside temperature, altitude, volts, and engine temperature
Display 3: digital gear, speed, RPM, current mpg, trip miles, trip fuel used, and mpg average
Display 4: digital gear, speed, RPM, fuel remaining, miles till empty, and graphical fuel gauge
Display 5: (optional) digital low AFR, high AFR, current AFR, and graphical AFR

There are many other features like a high coolant temperature warning light, a programmable shift light, and various performance data.
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Old 01-19-2010, 07:31 PM   #10
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wow, didn't realize how versatile that thing is. I made need to get me one of them.
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Old 01-26-2010, 05:44 AM   #11
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any news from james at zippers yet vrscdx105 ?
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Old 07-18-2010, 06:24 AM   #12
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Bump. I have the same question. I want to connect my V-Gauge to my T-Max AFR signal. Haven't emailed Zippers yet.

Emailed Zippers, they are being cautious about releasing the information that we want. I hope to hear back from them this week. (5 Aug 2010)
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Last edited by porky133; 08-05-2010 at 04:34 AM. Reason: Updated information
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Old 11-02-2010, 03:42 AM   #13
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Bumping this again. I've gotten several emails from Zippers and it seems like we are not going to get this function. I could be wrong and they could still be working on it but I haven't heard back from them since August 12th, 2010.

Maybe if a few more people were to contact them about it...
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Old 12-07-2012, 02:51 PM   #14
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With VRFI it works well and a value is within 0.2 comparing to VRFI data logging.
I have a small switch to choose a front or rear cyl to watch.
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