Autometer GS 52mm Analog 8:1-18:1 Air/Fuel Ratio Wideband Gauge

Product 3870 DESCRIPTION:
Mirroring the functions of AutoMeter’s Street Wideband, the Digital Stepper Motor Wideband provides the most important functions necessary to make sure you’re extracting the most power possible, safely. An analog needle display integrates seamlessly with other gauges and easily illustrates rate of change as well as the actual value. Our advanced auto calibration system automatically calibrates your gauge on every startup to assure you of the highest degree of accuracy over the entire lifespan of your sensor (no free air calibration is ever necessary). Designed for gasoline applications, this wideband gauge provides the same degree of accuracy and response as the Pro version, but at a reduced cost. Data logging output is included for one wire or two wire systems. Our specially designed O2 sensor and wiring harness are included for ease of installation.
Feature Points
Modern green LED through-the-dial lighting provides clear visibility during nighttime use
Gauge kit includes custom tuned .1 AFR Resolution Bosch LSU4.2 Sensor, 8ft. wiring harness, 304 stainless steel weld-in bung, mounting hardware, and detailed instructions for installation
AutoMeter’s race proven digital stepper motor electric instruments provide unmatched accuracy which is further increased by utilizing a self calibration sequence during power up
Display range of 8:1 to 18:1
Suitable for use with gasoline powered engines
12 and 16 volt compatible, compatible with nearly every street car or race car electrical system
Ships With
Includes Sending Unit: 2243
M18X1.5 Fitting and Plug
Wire Harness: 5298
2230
California Residents: Prop 65 WARNING
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No rating value for 2-1/16" WIDEBAND AIR/FUEL RATIO, ANALOG, 8:1-18:1 AFR, GS
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kbelky
· 11 months ago
Would it hurt the sensor if I put the gauge on a switch so I could see the air/fuel ratio only when I wanted to? The needle bouncing around all the time is distracting.
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Steve from AutoMeter · 11 months ago
Turning the unit off during operation will only hurt the unit and will not show any benefits when powering it off. The unit will need to be powered on at all times when operating the vehicle.
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kbelky
· a year ago
What size hole do you drill for the bung?
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Jim from AutoMeter · a year ago
The hole should be 3/4".
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Lotuswins
· 3 years ago
I have Smiths gauges in my Lotus, would it be possible along with a chrome bezel, to have a white needle to match all the other gauges?
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Alex at AutoMeter · 3 years ago
Our custom shop is currently closed but we are still able to do some simple modifications to gauges. Please give us a call at 866.248.6356 and we can see if we are able to make the changes you are wanting to do.
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OOZERCRUZER
· 3 years ago
HELLO WILL YOU SEND FULL INSTRUCTIONS WITH THE WIRING HARNESS? THANKS
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Matt from AutoMeter · 3 years ago
Here is a link to the instructions: https://www.autometer.com/pub/media/manual/2650-1469.pdf
If you need something in addition to this or something physically mailed, please send us an email request.
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AcampoDave
· 3 years ago
Is this guage available with a more traditional incandescent bulb?
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Matt from AutoMeter · 3 years ago
Not necessarily. Our regular Sport Comp Series may be the most comparable series that would feature traditional incandescent perimeter lighting.
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RickC
· 4 years ago
Is it possible to just purchase the gauge without the harness and sensor? Thanks
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Natalia from AutoMeter · 4 years ago
Thank you for your question. This is only sold as the kit.
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Cookie
· 4 years ago
Can this gauge come with a black bezel?
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Natalia from AutoMeter · 4 years ago
Thank you for your question. This does not come with a black bezel, but model #5970 has a black bezel and might be closer to what you're looking for.
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Carnut1cars
· 5 years ago
is this gauge available in a 2 5/8" version with traditional classic bezel
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Steve from AutoMeter · 5 years ago
Thank you for your question. Unfortunately this is only available in a 2-1/16". As for the bezel it is not able to be changed since the traditional chrome bezel does not fit this gauge. For further assistance please call our tech line at 866-248-6357.
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Stickman
· 6 years ago
Is this air / fuel gauge available with a chrome bezel that matches your traditional gauge series? I have your traditional mechanical gauges and am wondering if I can get this gauge to match. - Ben
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Zach from AutoMeter · 6 years ago
Hello Ben, thank you for your question. Yes, you can special order product #3870 to have a chrome bezel. Please call our customer service department at 866.248.6356. They will be able to help you get this done and answer any further questions you may have.
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fg4_nate
· 6 years ago
Does this meter work with E85, where I need to read values around 9:1? Or do you recommend one that goes lower for use with E85?
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Matt from AutoMeter · 6 years ago
Hi Nate, thank you for the question. The 3870 is certainly compatible, but the range isn't necessary ideal for E85. The digital Pro-Series, model 3878, will read down to 6:1 and the radial LED scale can be adjusted for alternative fuel types, like E85.
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