Anyone recognise this part from my 76 308 GTB?! | FerrariChat
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Anyone recognise this part from my 76 308 GTB?!

Discussion in '308/328' started by Ossie, Dec 26, 2009.

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  1. Ossie

    Ossie Formula Junior
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    May 20, 2009
    666
    Melbourne, Australia
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    Owen
    #1 Ossie, Dec 26, 2009
    Last edited by a moderator: Sep 7, 2017
    Hi, whilst driving my 1976 308 GTB today (GRP) I heard a "ting" from underneath the car and saw something bounce across the road in my mirror. I stopped and found a small "C" washer which I presume is what fell out. I thought I also saw something else fall off with it but couldn't find anything.

    Please refer attached picture. The washer is 23mm in diameter and the centre hole/slot is 10mm.

    Anyone recongise what this might be or where it may have come from? The car seems to be driving fine but I'm a little nervous about going too far.

    Thanks.
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  2. 308 milano

    308 milano F1 Veteran

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    #2 308 milano, Dec 26, 2009
    Not sure, but I think its an alignment shim
     
  3. sammyb

    sammyb Formula 3

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    #3 sammyb, Dec 26, 2009
    That's a shim. Generally shims are used in fitting body panels (to make panels fit flush). Shims can also be used in the suspension.
     
  4. judge4re

    judge4re F1 World Champ

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    Dr. Dumb Ass
    #4 judge4re, Dec 26, 2009
  5. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
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    #5 Steve Magnusson, Dec 26, 2009
    Sounds a little small for a 308 A-arm mount shim -- thought those were at least 12mm diameter threads (but not 100% sure about that -- and certainly no harm in checking those locations).

    Might be from the AC compressor mounting (item 6):

    http://www.ricambiamerica.com/parts_catalogs.php?M=FE&P=&V=diag&I=2203

    but also might just be an extra loose part that the Mechanic had dropped and couldn't find ;)
     
  6. Helmut

    Helmut Formula Junior

    Dec 11, 2004
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    #6 Helmut, Dec 26, 2009
    Yeah I am pretty sure it goes to the AC compressor mounting bracket.

    Helmut
     
  7. Ossie

    Ossie Formula Junior
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    May 20, 2009
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    Melbourne, Australia
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    Owen
    #7 Ossie, Dec 26, 2009
    Thanks everyone, wow that was a quick response! Steve and Helmut I think you may be right as I had to partially remove the compressor a couple of days back to fit a new belt and I though I heard something drop when I undid the stud at the top (#6 in the diagram) but couldn't find anything. When refitting I ended up putting in a couple of normal washers to pack it up to fit so that explains the gap.

    I assume they (Ferrari) used shims to allow you to adjust the angle for the belt?
     
  8. andy2175m4@yahoo.com

    [email protected] Formula Junior

    Dec 7, 2008
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    Andy Rein
    #8 [email protected], Dec 26, 2009
    ditto on the ac compressor shim...check your ac make sure the compressor bolts are all there
     
  9. 308 milano

    308 milano F1 Veteran

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    #9 308 milano, Dec 27, 2009
    Yes, I'm in agreement, compressor shim. Knew I ran into them some where.
     

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