Source for 308 QV distributor cap center carbon contact? | FerrariChat
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Source for 308 QV distributor cap center carbon contact?

Discussion in '308/328' started by ztarum, Oct 30, 2016.

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  1. ztarum

    ztarum Formula 3

    Mar 30, 2008
    1,302
    South Jersey, USA
    #1 ztarum, Oct 30, 2016
    I'm refurbishing the ignition system on my 308 QV and I noticed that the little carbon button in the center of one of my distributor caps that contacts the rotor has basically be eroded flat (normally a domed shape). The cap itself looks fine. Does anyone have a source for the little spring and carbon pin/button?
     
  2. waymar

    waymar Formula 3

    Sep 2, 2008
    1,354
    Northeast, PA - USA
    Full Name:
    Wayne Martin
    #2 waymar, Oct 30, 2016
    AW Imports. NJ
     
  3. Ferraridoc

    Ferraridoc F1 World Champ
    Owner Silver Subscribed

    Jun 20, 2012
    17,222
    Gold Coast, Aust.
    Full Name:
    Patrick
    #3 Ferraridoc, Oct 30, 2016
    When I rebuilt my engine, one of them was missing completely - it still ran, though. Must have been close enough to arc across.
     
  4. ztarum

    ztarum Formula 3

    Mar 30, 2008
    1,302
    South Jersey, USA
    #4 ztarum, Oct 30, 2016
    The car runs fine, and I notice no difference under power, but there is a slight occasional miss at idle that has been annoying me. So I'm replacing the plugs, extenders, and wires. It was when pulling the caps to install the new wires that I noticed the issue with one cap. I'm betting thats the reason for the miss. Looking more closely I can see that the other cap is newer and was likely replaced by the PO. I may just replace the whole cap and be done with it.

    Thanks got the lead on AW Imports. I'll check it out.
     
  5. Iain

    Iain F1 Rookie

    Jan 21, 2005
    3,324
    UK
    #5 Iain, Oct 30, 2016
    I managed to lose (mis-lay) one of mine once. I took the cap down the local motor factors & found an exact match in a cap from some kind of Citroen econobox. A cheap fix happily. Needless to say once I had put the car back together I found the original on the bench...
     
  6. theunissenguido

    theunissenguido F1 Rookie
    Owner Silver Subscribed

    Jan 21, 2004
    2,681
    Argent/Brasil
    Full Name:
    Guido
    #6 theunissenguido, Oct 31, 2016
    If that carbon stift is long enough, make that dome shape with very fine sandpaper and enlarge that spring by pulling it a bit. Should have enough force to presse it against the rotor. Rotor contact should also be smooth with fine sandpaper.
    Guido
     

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