Koni disassembly | FerrariChat

Koni disassembly

Discussion in '308/328' started by dflett, May 19, 2016.

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  1. dflett

    dflett Formula 3

    Jun 24, 2005
    1,603
    NY
    Full Name:
    David
    Quick question for those more experienced than me...

    Is the lower perch of the shock supposed to come off over the shock eye with the bushing in place?

    Mine is close but I really don't think it will come over the shock eye with the bush in place. In every photo I have seen of the Konis with a spring compressor on them, the bush seems to still be in place.

    I am thinking my shocks have the wrong bushes in them (too wide).

    Thanks in advance
    David
     
  2. waymar

    waymar Formula 3

    Sep 2, 2008
    1,324
    Northeast, PA - USA
    Full Name:
    Wayne Martin
    Just did this job. If the bushing is fully pressed into the eye. The lower shock mount will pass by.
     
  3. dflett

    dflett Formula 3

    Jun 24, 2005
    1,603
    NY
    Full Name:
    David
    Wayne

    Thanks for the fast response. That makes sense now.

    This is not what you call "fully pressed in".

    Image Unavailable, Please Login

    Looks more like a ****ed up mess.
     
  4. waymar

    waymar Formula 3

    Sep 2, 2008
    1,324
    Northeast, PA - USA
    Full Name:
    Wayne Martin
    #4 waymar, May 19, 2016
    Last edited by a moderator: Sep 7, 2017
  5. waymar

    waymar Formula 3

    Sep 2, 2008
    1,324
    Northeast, PA - USA
    Full Name:
    Wayne Martin
    #5 waymar, May 19, 2016
    Last edited by a moderator: Sep 7, 2017
  6. NW328GTS

    NW328GTS Formula 3

    Nov 16, 2009
    2,191
    Washington
    Full Name:
    Hal
    the bushing should really be centered in the eye not pressed fully against one side or the other.
     
  7. dflett

    dflett Formula 3

    Jun 24, 2005
    1,603
    NY
    Full Name:
    David
    Well I feel like a proper idiot now :)

    After 20 minutes wrestling with the stupid perch, I put the shock down on the bench, on its side and the perch literally fell off over the eye...

    Image Unavailable, Please Login

    Next step... Send to Koni for rebuilding.

    Thanks for the help.
     
  8. waymar

    waymar Formula 3

    Sep 2, 2008
    1,324
    Northeast, PA - USA
    Full Name:
    Wayne Martin
    Just a suggestion. Koni will most likely not replace the bushings. You may want to remove them prior to sending.
     
  9. dflett

    dflett Formula 3

    Jun 24, 2005
    1,603
    NY
    Full Name:
    David
    Good point. I will check again because its a few months since I spoke to them but when I discussed it they mentioned removing the old bushes to media blast and then respray the bodies and afterwards would push in either their own bushes or ones I supply. Their bushes are quite pricey so I intend to order a set from Maranello Concessionaires in the UK and provide those as they are reasonably priced.
     
  10. Rod

    Rod Formula Junior

    Jan 18, 2004
    869
    South Derbyshire
    Full Name:
    Rod
    Hi.. are you dealing with Koni direct? this is some thing that I wanted to do to my shocks..


     
  11. dflett

    dflett Formula 3

    Jun 24, 2005
    1,603
    NY
    Full Name:
    David
    Yes, but Koni in the US. So not sure if its useful to you...

    Their email is [email protected]
     
  12. dflett

    dflett Formula 3

    Jun 24, 2005
    1,603
    NY
    Full Name:
    David
    Here's an extract from their proposal which includes replacing the bushings:

    "The price to rebuild the KONI Ferrari shocks is $140/ea. plus parts. Parts generally range $50-$80 per shock as well depending on the condition. If the shocks also need new bushings bushing can cost anywhere from $50-$60/pc depending on their size"

    Total per shock using their bushings would then seem to be $240 - $280.
     
  13. Rod

    Rod Formula Junior

    Jan 18, 2004
    869
    South Derbyshire
    Full Name:
    Rod
    Ok thanks...

    How difficult were they to remove? did you follow a thread description?


     
  14. dflett

    dflett Formula 3

    Jun 24, 2005
    1,603
    NY
    Full Name:
    David

    Shocks are straightforward to remove from the car. At the front it's simplest to disconnect anti roll bar and tie rod ends and then remove the arms while still connected to the forks that go through the chassis rail. At the rear you need to support the drive shafts, hubs, brake disk and calipers once you disconnect the shock. You might find your bushes need refurbishing or replacing while you are in there.

    Coils just need a spring compressor.
     
  15. Rod

    Rod Formula Junior

    Jan 18, 2004
    869
    South Derbyshire
    Full Name:
    Rod
    Ok. thanks...

     
  16. GavC

    GavC Formula Junior

    May 9, 2004
    492
    Lincolnshire, Englan
    Full Name:
    Gavin Culshaw
    Rod. I see your in S Derbyshire. I am Lincolnshire way. I have removed the shocks many times, to be honest i have fully rebuilt my car, so pretty good knowledge of them for last 20+ yrs.if you need any help.or advice fell free to give me a shout. Gav
     

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