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430 Rubbing sound at high speed

Discussion in '360/430' started by gammi, Jun 24, 2025 at 6:17 PM.

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  1. gammi

    gammi Karting

    Feb 5, 2025
    56
    #1 gammi, Jun 24, 2025 at 6:17 PM
    I've noticed lately on my 430 scuderia that at high speed I'll start to hear a rubbing/fluttering sound almost like if you stick a playing card in a fan. Sounds like it's coming from behind my left ear. I checked both driver's side wheel wells and couldn't find anything that looked like it was rubbing.

    Here's a video clip, you can hear the sound start once I'm at the top of 3rd into 4th gear.
    Any ideas? Thanks!

     
  2. bonehead

    bonehead Karting

    Apr 21, 2007
    179
    TX
    Full Name:
    Ed
    #2 bonehead, Jun 24, 2025 at 6:36 PM
    Only on decel and only in that gear?
     
  3. gammi

    gammi Karting

    Feb 5, 2025
    56
    #3 gammi, Jun 24, 2025 at 7:27 PM
    No, it happens under accel and decel and any gear.
    What triggers it is going over a certain speed, which makes me think it's something bending under the air pressure and rubbing.
     
  4. bonehead

    bonehead Karting

    Apr 21, 2007
    179
    TX
    Full Name:
    Ed
    #4 bonehead, Jun 24, 2025 at 7:39 PM
    Did you check the floor pans?
     
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  5. Racer_X

    Racer_X Karting

    Oct 20, 2017
    99
    MI
    Full Name:
    Tom
    #5 Racer_X, Jun 24, 2025 at 7:39 PM
    See if you can get your hands on 4 or 5 magnetic mount Go-Pro cameras. Place them under the car and in the engine compartment.
    That might help you pinpoint the noise location and you might even see something on the video.
     
    gammi likes this.
  6. gammi

    gammi Karting

    Feb 5, 2025
    56
    #6 gammi, Jun 24, 2025 at 7:42 PM
    I looked under the car and didn't see anything hanging/sticking out visually but that's a good suggestion, I should get a closer look.
     
  7. Extreme1

    Extreme1 Formula 3

    Jun 27, 2017
    1,405
    Santa Clarita, CA
    #7 Extreme1, Jun 24, 2025 at 7:45 PM
    Check the heat shields that cover your CV’s. Just an educated guess.
     
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  8. bonehead

    bonehead Karting

    Apr 21, 2007
    179
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    Ed
    #8 bonehead, Jun 24, 2025 at 8:05 PM
    May not be hanging down but a loose panel could be fluttering with the air under the car at high speed
     
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  9. Jedi

    Jedi Moderator
    Moderator Lifetime Rossa Owner

    Mar 18, 2008
    32,247
    Seattle Area
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    Dave
    #9 Jedi, Jun 24, 2025 at 8:12 PM
    Outside of that, it sure sounds lovely to my ears :)

    Jedi
     
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  10. gammi

    gammi Karting

    Feb 5, 2025
    56
    #10 gammi, Jun 24, 2025 at 8:46 PM
    Just put on the Kline inconel exhaust a few weeks ago, I absolutely love it. Sounds exactly how a Ferrari should sound imo, that high pitch "F1" sound
     
  11. RedTaxi

    RedTaxi F1 Rookie
    Silver Subscribed

    Mar 1, 2012
    3,336
    New Zealand
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    Glen
    #11 RedTaxi, Jun 25, 2025 at 1:40 AM
    Great idea but there is no steel to stick it to. I have a great magnetic light that I love for working on cars. Useless on my Ferrari. :(
     

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