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Dyno · 09-25-2023, 10:49 AM

Not wanting to hijack the thread, but has anyone compared the A/F ratio with the O2 sensor off a header tube compared to the sensor in the collector? If the collector sensor reads and corrects to 13.0, is the header tube reading 12.5 or 13.5 for example?

09-25-2023, 10:49 AM	#4
Dyno Senior Member Join Date: Dec 2002 Posts: 919 Likes: 1,143 Liked 693 Times in 205 Posts	Re: Air Fuel Ratio Question Not wanting to hijack the thread, but has anyone compared the A/F ratio with the O2 sensor off a header tube compared to the sensor in the collector? If the collector sensor reads and corrects to 13.0, is the header tube reading 12.5 or 13.5 for example?