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Thread: Wideband Air/Fuel Guages

  1. #1
    Join Date
    Feb 2001
    Location
    Omaha, NE
    Posts
    316

    Default Wideband Air/Fuel Guages

    Was watching one of the Bildon videos and saw him use a digital A/F ratio gauge in his Corrado. Now I'm wondering what everybody else uses. Do you just tune on a dyno and forget it or do you use an A/F gauge? I know some use EGT to tune but I don't know which would be better? So if you prefer one over the other, why? And lastly, which A/F gauge is better/reliable?
    Thanks.
    Ralf
    ITB Golf GT

  2. #2
    Join Date
    Jan 2001
    Location
    Buffalo, New York
    Posts
    2,942

    Default

    Just put one in the car--permanent gauge.

    Will be a useful diagnostics tool--even though I have a carb!

  3. #3
    Join Date
    Mar 2001
    Location
    Connecticut
    Posts
    7,381

    Default

    I have one permanently installed, and use its voltage output as an input into my data acq system. That way I can review the data later to ensure my AFRs are not going wacky during the race (when I don't have time to monitor it. In fact, during the races I tape over the display so it's not distracting.) - GA

  4. #4
    Join Date
    Feb 2007
    Posts
    292

    Default

    I know the LM1 uses a bosch 16 121 sensor....then you just need a 0-2 volt display...
    ______________
    Waterhaus Racing is Back!
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    to race in Iowa & Ne board thing "
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    X-MVRG Member...
    ITB Rabbit/ITA Miata

  5. #5
    Join Date
    Oct 2002
    Location
    Wandering the USA
    Posts
    1,341

    Default

    I've got a Tech Edge WB controller and display that I built from a kit. Normally also connected to my Megasquirt, and logged each session. Lets me tune AFR at the track without a dyno (as long as you already know what the AFR goal is). These days I think your best bang for the buck is probably the Innovate LC-1.
    Marty Doane
    ITS RX-7 #13 (sold)
    2016 Winnebago Journey (home)

  6. #6

    Default

    I bought one and decided I had way too much to figure out in the car without watching AF numbers. New car new setup. I have an NGK AFX kit brand new I can sell for $240 shipped.

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