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  1. #1
    RC Qualifier
    Join Date
    Apr 2008
    Location
    algonquin, IL
    Posts
    307

    revving up & down without touching the trigger

    ive got a 3.3 revo, and everytime i tune it perfectly it starts revving up randomly and then going down. ill have it tuned perfectly for off the line and for top end but it still does that and its really annoying

    after a while of sitting, while revving up and down, it will just rev up and hold for longer periods of time.

    anyone hav any ideas
    *Signature Pending*

  2. #2
    RC Turnbuckle Jr. CarGuy7a's Avatar
    Join Date
    Dec 2008
    Location
    Gettin' Lucky In KY
    Posts
    3,917
    Sounds like a lean LSN to me. Even if I get mine perfect it will still do what you are describing to some extent but not as bad. Mine usually runs good at around a 4 to 5 second pinch.

  3. #3
    RC Champion
    Join Date
    Mar 2007
    Location
    western NY region
    Posts
    2,097
    definitely sounds like either a lean LSN or possibly an air leak...
    "Growing OLD is mandatory, Growing UP is optional"

  4. #4
    RC Racer
    Join Date
    Dec 2007
    Location
    Brisbane, Australia
    Posts
    206
    I would say air leak. Check your bearings

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