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206 Airbox cover nuts

Discussion in '206/246' started by Motob, May 28, 2011.

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  1. Motob

    Motob Formula 3
    Professional Ferrari Technician

    Nov 11, 2003
    2,370
    Frederick, Maryland
    Full Name:
    Brian Brown
    #1 Motob, May 28, 2011
    I am trying to find the two round nuts that secure the airbox lid to the airbox on a 206 Dino. Originally I figured that they would just be the same as a Daytona or 330 of the same time period, but when I tried to use the nuts from a Daytona, I discovered that the threads are different.

    The Daytona airbox has a 6mm stud, while the 206 airbox has a 5mm stud.
    The airbox and studs on the 206 appear to be original and unmodified.
    Can someone else look at their 206 airbox to see if they have 5mm threaded studs as well. It would be great if you could measure the outside diameter and thickness of the nuts as well as shoot a photo of them, so I can have some fabricated.

    Thanks for your help!
    Sincerely,
    Brian Brown
     
  2. GermanDino

    GermanDino F1 Rookie

    Aug 14, 2007
    3,488
    Germany
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    Matthias
    #2 GermanDino, May 28, 2011
    Hello Brian,
    5mm stud for 206 GT is correct. I will take the outside diameter and thickness later today. I will take a picture for you too.
    Regards Matthias
     
  3. GermanDino

    GermanDino F1 Rookie

    Aug 14, 2007
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    Matthias
    #3 GermanDino, May 28, 2011
    Last edited by a moderator: Sep 7, 2017
    outside diameter: 20mm
    thickness: 4mm + 2mm (smaller inner ring diameter 12mm) = total thickness 6mm

    they are also correct for 246 GT L-series

    regards Matthias
    Image Unavailable, Please Login
     
  4. HMB-Dino

    HMB-Dino Formula 3
    Silver Subscribed

    Jun 28, 2010
    2,284
    Pebble Beach, CA
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    RonG
    #4 HMB-Dino, May 28, 2011
    Don't all 246's (L, M, E) don't use the same thread cover nuts?
     
  5. Motob

    Motob Formula 3
    Professional Ferrari Technician

    Nov 11, 2003
    2,370
    Frederick, Maryland
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    Brian Brown
    #5 Motob, May 28, 2011
    Thank you so much for the photos and measurements! If I can't find any, I will have to have some fabricated.

    Superperformance lists them on their website, so I will contact them to see if they are 5mm, but from the photos they don't look like they are made from brass that is cad plated.

    Brian Brown
     
  6. dgt

    dgt Formula 3
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    Andrew
    #6 dgt, May 28, 2011
  7. dino clay

    dino clay Karting

    Oct 31, 2007
    185
    san mateo, cal
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    clay cavanaugh
    #7 dino clay, Jun 2, 2011
    I might have a used one, but not 2. I can't figure where it went
    650 430 4134

    In Redwood City
    clay
     
  8. BigTex

    BigTex Seven Time F1 World Champ
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    Dec 6, 2002
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    Bubba
    #8 BigTex, Jun 2, 2011
    Seriously??

    Ricambi stocks them for the carbed 308....I have bags of them....
     
  9. BigTex

    BigTex Seven Time F1 World Champ
    Owner Rossa Subscribed

    Dec 6, 2002
    79,386
    Houston, Texas
    Full Name:
    Bubba
    #9 BigTex, Jun 2, 2011
    They rattle loose and fly off from vibration, I have taken to using a rubber faucet washer underneath them, and then putting a dob of epoxy on the exposed stud above, once tightened.

    I scattered a set of them from Yosemite to Las Vegas on one drive, finally stopped in Lake Havasu and put metric Nylocks on, for the rest of the way home....
     
  10. ilconservatore

    ilconservatore F1 Veteran

    May 18, 2009
    8,369
    Cincinnati Ohio
    #10 ilconservatore, Jun 2, 2011

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