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Old 11-19-2012, 11:52 PM   #8
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narrow band a/f ratio gauges are just flashy lights. You want to get a wide band O2 or nothing at all. There are better gauges that will actually tell you whats going with the motor like oil pressure, oil temp, water temp, or even a trans temp gauge if you have a auto. I highly recommend getting a tune, and if you have a wide band O2 that can even help make the tune that much better by letting the tuner know what's the actually a/f ratio.
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