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will i need a a/f gauge when tuning an apexi vafc?

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Old 03-26-2005, 12:55 AM
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Default will i need a a/f gauge when tuning an apexi vafc?

will i need one? i've heard its essential..
Old 03-26-2005, 03:35 AM
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Default Re: will i need a a/f gauge when tuning an apexi vafc? (Bunda)

a/f gauges are useless without a wideband o2 sensor.
Old 03-26-2005, 04:21 AM
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Default Re: will i need a a/f gauge when tuning an apexi vafc? (AzntaggeR)

Definately need a wide band Oxygen sensor. Your factory one does not read enough for the guage. I have one in my civic and it is just a pretty little light show until I get a wide band o2 sensor. You will not be able to tune anything with factory o2 sensor.
Old 03-26-2005, 09:43 AM
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Default Re: will i need a a/f gauge when tuning an apexi vafc? (Neutex22)

Ok..not meaning to sound un-informed, though am clearly so, can we get this wideband o2 sensor from somewhere? Honda or someplace?
Old 03-26-2005, 10:09 AM
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Default Re: will i need a a/f gauge when tuning an apexi vafc? (argus)

There's various wb o2 sensors all over the place. Every local performance parts store can usually get them, a lot of online sites have them, and the classifieds usually have a couple too.
Old 03-26-2005, 10:42 AM
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Default Re: will i need a a/f gauge when tuning an apexi vafc? (Ragecloak)

thks for the help man, already looking at Streetrays.com for their PLX M-250 Unit + Wideband Gauge (black) Combo one, it should go with my other guages in the car.

Old 03-26-2005, 10:51 AM
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Default Re: will i need a a/f gauge when tuning an apexi vafc? (argus)

If you get your vafc tuned with a wideband(like on a dyno), then you dont have to have one in the car all the time.
Old 03-26-2005, 11:00 AM
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Default Re: will i need a a/f gauge when tuning an apexi vafc? (Slopoke)

Man, we haven't got any dynos down here. I will need it to at least monitor my engine's lean/rich condition when I mess around with my VAFC II.
Old 03-26-2005, 11:05 AM
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Default Re: will i need a a/f gauge when tuning an apexi vafc? (argus)

I know what you mean. The closest reputable dyno from me is like 5 1/2 hours away.
Old 03-27-2005, 01:02 AM
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yeah im getting it tuned on a dyno..
so no need for a a/f gauge?
Old 03-27-2005, 01:07 AM
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Default Re: (Bunda)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bunda &raquo;</TD></TR><TR><TD CLASS="quote">yeah im getting it tuned on a dyno..
so no need for a a/f gauge?</TD></TR></TABLE>

Not unless you want to read the condtion your engine is running. I don't mean this like you HAVE to have it or you won't know **** about how your engine is running, just more like open/closed loop and lean or stoch.
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