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Old 11-19-2002, 01:58 PM
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Post Fuel mixture sensors

Has anyone ever used one of those rich/lean fuel mixture gizmos?? Like this one? Just courious if they work?

http://store.summitracing.com/produc...earchtype=ecat
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Old 11-19-2002, 03:12 PM
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They work fine, a little to much lag time to the needle deflection for my liking but they work. I use a digital voltmeter with a type K thermocouple, instantaneus reaction time.
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Old 11-19-2002, 03:17 PM
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[quote]Originally posted by 4 Jaw Chuck:
<strong>I use a digital voltmeter with a type K thermocouple, instantaneus reaction time.</strong><hr></blockquote>

Yeah, Okay, so what temp is rich/lean??
Those gages work in a very narrow band
around lambda (stoich), but won't help
very much if you're way to rich or way
to lean...
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Old 11-19-2002, 04:09 PM
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This reads the same as a O2 sensor volts

[ November 19, 2002: Message edited by: roys63 ]</p>
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Old 11-19-2002, 06:53 PM
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Question

Good question Maverick,
I've wondered how accurate they would be?
I've seen them in a digital type with l.e.d's that light up also.

Tom,
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Old 11-19-2002, 07:08 PM
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Readings are output in a voltage band from 0-1.0 Volts, 0.5 volts being stoichiometric. Having a voltmeter accurate enough to read 0.01 volts is needed for accuracy. Type K thermocouple is far more accurate and responsive, additionally it reads in degrees Celcius or Farenheit with my meter (adapter with two inputs).
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Old 11-20-2002, 05:52 AM
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Thanks guys! Think I am going to go with something like the MDS unit that has the led lights, When I get to that point! Seems like it will take the guess work out of it.

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