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Old 03-26-2019, 10:20 PM   #4 (permalink)
fork
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I am using an Innovate Motorsports DLG-1 which monitors and displays two AFR readings from two separate O2 sensors at the same time. I am certainly not in expert in wideband gauges but my guess is if your AFR gauge only displays one reading, you would only need one sensor (and one bung). I wouldn't put anymore holes in those nice headers than you need to.
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