Air:Fuel Help. Cannot Get it Rich

j par said

Another dumb question but at this point we can't cross anything out. Did you recalibrate after you put the new sensor in?

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I did not recalibrate anything. I believe the o2 sensor is just a plug and play. It's an Autometer wideband.
I haven't had to really do much calibration for the carb over the years. Small increments from out of the box. Actually been working a bit over the years to try and lean this up a bit. It's always been on the rich side.