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E85 turbo spark plug

Discussion in 'EFI Tuning Questions and Engine Management' started by Jungerman, Sep 27, 2021.

  1. Jungerman

    Joined:
    Jun 6, 2019
    Jungerman, Sep 27, 2021
    #1

  2. B E N

    Joined:
    Nov 22, 2016
    I don't think you can read plugs off of idle. Ideally you want to run them wide open then cut off the engine, pull over and pull immediately. You can do that at whatever RPM range you want.

    Idle tuning can all be done off of a vacuum gauge and timing light.

    Do you have a wideband in this car?
     
    B E N, Sep 28, 2021
    #2
    Disney Lincoln likes this.

  3. 434chevelle

    Joined:
    Sep 5, 2011
    NGK BR7EF. NGK plugs have a cadmium coating that burns off to show you heat range and timing.
     
    434chevelle, Sep 29, 2021
    #3
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