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What's your A/F ratio like?

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Old Sep 30, 2004
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What's your A/F ratio like?

When I'm normally driving its bouncing all over the place, but then at WOT it stays fairly stoitch. How about everyone elses?
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Old Sep 30, 2004
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I take it that you're using your stock o2 sensor. It really isn't very accurate.

Everyone's gauge that is hooked to the stock narrowband sensor will bounce around a lot, if you want to really find out what your a/f ratio is like, go to a dyno or use a wideband sensor/controller on the street to see what your ratio is.
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Old Sep 30, 2004
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Ya just using a stock O2 and a regular A/F gauge...Dyno one day soon..
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Old Oct 1, 2004
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If you want the ability to see what your ratio really is on the street, you can get a portable wideband, like AEM's UEGO gauge combo, or Innovate Motorsport's LM-1 unit. I have the LM-1 unit in my car, and it's great. Datalogging and extremely accurate, and you can download the logs to a computer to see your a/f ratio vs RPM and load.

Both of those units are around $400, but if you're going to have a turbo and do any of the tuning yourself, you'll need one or the other.
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Old Oct 1, 2004
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Those gauges are absolute crap and even mess up the O2 sensor over time. You need a wideband to measure a/f at wot. Some places sell modded gauges or digital.

http://www.gadgetseller.com/gauges/modifiedproducts.htm
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Old Oct 1, 2004
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Ya I know of the widebands, but thanks for the info you guys.
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Old Dec 1, 2004
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So....i wont have a problem if i use one of the modded gauges??
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Old Dec 1, 2004
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i want AEM UEGO but so expensive, eh, i dont know maybe on day
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Old Dec 1, 2004
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Get a PLX devices wideband. Mine cost $370 for their top model with an adaptor for my autometer gauge. I run around 10.5-11 A/F and it stays rock solid.
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Old Dec 1, 2004
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the AEM wideband is the same price i believe..or 450.
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Old Dec 1, 2004
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why even waste your time and money?
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Old Dec 1, 2004
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well dont know what kinda time ill be wasting but the money isnt a thing either
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Old Dec 1, 2004
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Originally Posted by Havok2k1
why even waste your time and money?
buying a tuning tool that can be used on any car is not really a waste of time or money. I just ordered the innovate wide band, datalogging is the shiz.
PLX makes a good one also.
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Old Dec 1, 2004
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i meant why waste your time on the cheap autometer ones, its completely useless

Wideband is the only way to go
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Old Dec 1, 2004
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aight well you didnt say that at first...but tru...i would rather spend the money and get a good wideband and have the car run better
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Old Dec 1, 2004
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Originally Posted by opto_isolator
Get a PLX devices wideband. Mine cost $370 for their top model with an adaptor for my autometer gauge. I run around 10.5-11 A/F and it stays rock solid.
so you autometer doesn't bounce around anymore? where did you get yours from hondatech?
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Old Dec 1, 2004
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so u need an a/f gauge and a wideband to tune it to find ur real a/f ratio? making sure im following this.
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Old Dec 1, 2004
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Originally Posted by HyaBoosta
so you autometer doesn't bounce around anymore? where did you get yours from hondatech?
Nope....

The PLX devices wideband has an interface module which will convert the signal to narrowband. I hooked the narrowband signal up to the autometer gauge. It works like its supposed to now. I like using it because its a idiot light - its saved my butt a few times now (like when I'm boosting, but my A/F doesn't kick up fast enough) - I wouldn't drive a turboed car without one, wideband that is.
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Old Dec 1, 2004
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Are you guys saying that the modified autometer gauges dont work?
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Old Dec 1, 2004
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Originally Posted by SODJAZERO
Are you guys saying that the modified autometer gauges dont work?
If you modify it and use a wideband 02 sensor it will work.
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