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nitrous A/F ratio needed?

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Old Jul 18, 2011 | 05:10 PM
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Default nitrous A/F ratio needed?

I am going to be getting a 125 shot wet plate kit within the next two weeks. Will I need an air fuel ratio gauge? How helpful will it be? Is it a worthwhile investment? Thanks for the help guys
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Old Jul 18, 2011 | 06:11 PM
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If you are doing tuning you need a wide band. When spraying nitrous a wide band can give you an average of what your a/f ratio is but its always best to pull your plugs and read them to find your leanest cylinder. Your plugs will tell you if your lean or rich and I would always go off what the plugs say over just reading a wide band.
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Old Jul 18, 2011 | 08:28 PM
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unless you're on a dyno, good luck keeping your eyes on the AF gauge while spraying...
its good if you can datalog the wideband while spraying.
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Old Jul 18, 2011 | 10:23 PM
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Is it worth getting or no? It does have a cool appearance aspect to it as well
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Old Jul 18, 2011 | 11:42 PM
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I would STRONGLY recommend getting one. FWIW, my WB saved my motor. I somehow dropped my tune and was running WAYY lean. Thank god for that wideband.
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Old Jul 19, 2011 | 11:32 AM
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Graham@NitrousOutlet
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Originally Posted by minytrker
If you are doing tuning you need a wide band. When spraying nitrous a wide band can give you an average of what your a/f ratio is but its always best to pull your plugs and read them to find your leanest cylinder. Your plugs will tell you if your lean or rich and I would always go off what the plugs say over just reading a wide band.
Spot on.

Originally Posted by 9D4Z28
Is it worth getting or no? It does have a cool appearance aspect to it as well
It is a very nice tool to add. Besides having it as a check and balance sort of device. You can also use it too make sure that your changes in jetting are acting as you think they should.

Originally Posted by IWGF
I would STRONGLY recommend getting one. FWIW, my WB saved my motor. I somehow dropped my tune and was running WAYY lean. Thank god for that wideband.
Agreed. While I do not want people tuning purely with a wideband, they are a great tool.
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Old Jul 19, 2011 | 05:10 PM
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What are some good ditigal brands, should I go digital or mechanical/ pros cons ?
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Old Jul 19, 2011 | 05:12 PM
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NGK has a nice one. Also the LM1 is a nice one. Its ugly but works well and is easy to move between cars.
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Old Jul 20, 2011 | 08:25 AM
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Very worthwhile gauge.
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Old Jul 20, 2011 | 07:42 PM
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From: Stow Ohio
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What about autometer gauges from summit. And what gauges do you recommended for a Nitrous set up? Nitrous gauge, a/f ratio wideband, fuel pressure etc? Thanks fellas
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