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Thread: rpm

  1. #1
    mr305's Avatar
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    rpm

    how accurate is the rpm on the dash for the spark. I plug in pet tac and reads the same


  2. #2
    dolson's Avatar
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    Are you asking or telling?

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  4. #3
    Not sure why rpm wouldn't be accurate. Speed on non ibr isn't accurate but rpm should be

  5. #4
    mr305's Avatar
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    Im asking had a hard time getting the tac to read couldn't ride with tac hook up. So my question is how accurate is the rpm on the dash because i want to repitch my stock impeller 90 ho so i will know where factory rev limiter is set.

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