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Damaged front crank damper

Discussion in '308/328' started by duck.co.za, Nov 25, 2009.

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  1. duck.co.za

    duck.co.za Formula 3

    Jan 9, 2007
    1,005
    Cape Town South Afri
    Full Name:
    Dave
    #1 duck.co.za, Nov 25, 2009
    Last edited by a moderator: Sep 7, 2017
    Possibly this has been posted before , but one of my crank dampers was showing signs of shifting . So I put it in the press and it came apart without even trying !!!
    The vulcanising had completely let go on the weight side . From the pics you can see the state of the rubber inside the damper . It seems the weight is bounded to a ring and then this assembly is pressed onto front boss with the belt V groves .
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  2. ramosel

    ramosel Formula 3

    Sep 11, 2004
    1,237
    Meadow Vista, CA
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    R Moseley
    #2 ramosel, Nov 25, 2009
    Last edited: Nov 25, 2009
    Yikes, good thing you found it before you started spinning the motor in anger. I've seen the damage these things can do when they come apart in an engine bay. They are usually not pressed together, they are vulcanized in place. Raw rubber is placed between the pieces then baked together.

    I know you are a looooong way away but there is a place, DamperDudes, that actually fixes these things. They are a small shop in a small town in northern California but they take in work from all over the world!
    www.damperdudes.com

    Rick
     
  3. st@ven

    st@ven F1 Rookie

    Aug 4, 2008
    3,313
    Germany
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    Steven
    #3 st@ven, Nov 25, 2009
    intersting to save the adress. however this webadres seems not to be the proper one. Please check.
     
  4. ramosel

    ramosel Formula 3

    Sep 11, 2004
    1,237
    Meadow Vista, CA
    Full Name:
    R Moseley
    #4 ramosel, Nov 25, 2009
    OOOOPPPPSSSS

    www.damperdudes.net

    Rick
     
  5. duck.co.za

    duck.co.za Formula 3

    Jan 9, 2007
    1,005
    Cape Town South Afri
    Full Name:
    Dave
    #5 duck.co.za, Nov 25, 2009
    Last edited by a moderator: Sep 7, 2017
    Thanks Rick , luckely this was one of my spares ! Possibly didn't explain myself properly . When I pushed it apart there was a steel ring left on the inner piece . I machined it off . I think it is easier to make a jig for the vulcanising if there is just a ring in the centre , then press this assembly together . You can see from the pic the gawling from pressing it on
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  6. st@ven

    st@ven F1 Rookie

    Aug 4, 2008
    3,313
    Germany
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    Steven
    #6 st@ven, Nov 25, 2009
  7. JCR

    JCR F1 World Champ
    Silver Subscribed

    Mar 14, 2005
    10,910
    H-Town, Tejas
    #7 JCR, Nov 25, 2009

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