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Thread: O2 sensor

  1. #1
    Senior Member
    Join Date
    Oct 2012
    Posts
    136

    O2 sensor

    would like to see a discussion here of why an o2 sensor is necessary in the engines we race. I have an automotive backround and suspect that they are totally unnecessary.

  2. #2

    Re: O2 sensor

    My series does not run them

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