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  1. #1
    RC Racer
    Join Date
    Feb 2012
    Location
    AL
    Posts
    164

    why are the cooling heads difference?



    i got this one from the power up and the cooling head is diff
    Last edited by jwc0108; 03-26-2013 at 08:31 PM.

  2. #2
    RC Turnbuckle Jr. Snook Man's Avatar
    Join Date
    Jan 2008
    Location
    Sugar Hill Ga.
    Posts
    8,382
    The design was changed a few years back. The newer design (bottom pic) has less of a tendency to break/lose cooling fins.
    No slipper/tall gearing/power = broken parts.

  3. #3
    RC Racer
    Join Date
    Feb 2012
    Location
    AL
    Posts
    164
    Looks to me the top cooling head would cooling better.
    Guess I didn't realize I've been rebuilding the engine so long

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