Quote:
Originally Posted by RJ Sledge
If your O2 is in your collector, and it is within 12” from the end, you will not get a “clear” read, it will always show rich until you bring up rpms as in making a pass down the track then it will read correctly.
You can slip on an 18” extension to the end of collector and tune it for lower rpms (2 step leave or foot brake leave). Then take off extension. It’s is sucking air back up past the O2 sensor and it will show rich until you get rpms up and going down track.
Good luck
RJ
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Actually it'll show lean.