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Tacho output from my SM4 ocr from my CDI 500r?

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  • Tacho output from my SM4 ocr from my CDI 500r?

    Hi.
    I have a SM4 with a CDI 500r box.
    Should I use the tacho signal from the ignition amplifier or is it equally good to take the output signal, pin 8, on the SM4 which is intended for tacho, to connect to my tachometer?

    Even if my question is too simple, I appreciate a good answer.

    Best regards

  • #2
    Are you using knock control?
    He gets his lap dogs to do his talking for him. Buzzard is a good example.

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    • #3
      No I donít.

      No plans to do it either.... for now.

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      • #4
        You could use either, using the CDI tach output will free up O/P8 on the ecu. Depends on how demanding your install is.
        He gets his lap dogs to do his talking for him. Buzzard is a good example.

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        • #5
          Ok!
          perfect.

          lets get to work!

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