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  1. #1
    RC poster
    Join Date
    Jun 2016

    Revo trx3.3 broken connection rod

    Hi guys
    last time when i drive my revo after less than minute i hear some boom and car stops

    i tried pull pull starter but all its blocked

    ok i take engine out opened it and i saw my connection rod are broken
    i ordered new one but...

    i inspected piston and cylinder sleeve and looks fine without any scratch
    bun under microscope my piston on bottom have micro crack it is 0.5mm with eyes you cannot see it
    but under microscope is visible

    does that be a problem?
    all other vital parts in engine are great without any visible demage

    thanks on help guys

  2. #2
    Marshal Double G's Avatar
    Join Date
    May 2008
    Is the crack on the skirt? If so that could fail soon and take everything else with it.
    The Super Derecho

  3. #3
    RC poster
    Join Date
    Jun 2016
    yes, i mark part where crack is, vertical micro crack
    Last edited by zokizo; 08-27-2019 at 02:49 AM.

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