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jasonsdakota
Dodge Dakota
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11/03/2004
20:14:02

Subject: air fuel ratio
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how can i tell what my trucks air fuel ratio is. i want a guage mounted in the cab. where do i get one. i'd like to do this and get an iat adjustor (not a resistor but something adjustable). any suggestions.



hybrid
Dodge Dakota
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11/03/2004
20:36:36

RE: air fuel ratio
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Buy a wide band o2 sensor, and meter, it's the most accurate form of measuring your air/fuel ratio. If your motor is N/A you could use the stock o2 and and autometer gauge that reads the voltage from that, but if your tuning off of your air/fuel ratio only, i would recomend the best method which is using the wide band.



N56629
Dodge Dakota
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11/03/2004
20:37:16

RE: air fuel ratio
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"where do i get one."

Click on search, enter "air fuel ratio gauge", click on find and then select a likely site.

"i'd like to do this and get an iat adjustor (not a resistor but something adjustable). any suggestions."

Start by understanding that an IAT adjustor is a resistor. It's just an adjustable resistance.

Never perform a modification just because someone else does it. Understand what the mod does and why you are doing it.



.boB
Dodge Dakota
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11/03/2004
23:19:36

RE: air fuel ratio
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The primary reason that people put these gauges in the dash is because they look pretty. Not very functional, but something to look at. For that reason, Autometer makes a few differant styles that you might like.

If you want something that works reasonably weel without breaking the bank, do a search for a Halmeter. It's reasonably priced, fairly accurate, and works well for tuning.

But if you want something that's truly accurate, you need to step up to a wide band sensor and meter. You'll pay close to $1k for this. But absolutly dead on accurate.




hybrid
Dodge Dakota
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11/04/2004
20:31:19

RE: air fuel ratio
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.boB,
You can pick up a wideband o2 sensor and meter for about $350
N56629,
Thanks for adding that, it's always good advice. I overlooked that.



.boB
Dodge Dakota
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11/05/2004
10:01:58

RE: air fuel ratio
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Not really. There are a couple of good products in that price range, Halmeter and LTM1 come to mind. They are pretty accurate, and for a non-race care they will work just fine. I use a Halmeter, but only because the LTM1 hadn't come out yet. Were I to do it again, I would probably buy the LTM1 kit.

A tru Lambda wide band kit is pretty expensive, $800-1000. The sensor alone is $200-400. But they are absolutly dead on accurate from .5-1.5 l. The cheaper kits are not that accurate. They are still good, just not as accurate.



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