355 - Is there something missing on my car? | FerrariChat

355 Is there something missing on my car?

Discussion in '348/355' started by radback, Jul 14, 2024.

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  1. radback

    radback Formula Junior Silver Subscribed

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    Hi,
    I wonder if there is something missing on my car.

    On this pic there is 2 threaded studs.
    Why are they're here? Something is missing?

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  2. sfcarguy

    sfcarguy Formula Junior Rossa Subscribed

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    Those look like mounts for the optional acoustic panel
     
  3. Qavion

    Qavion F1 World Champ Silver Subscribed

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  4. radback

    radback Formula Junior Silver Subscribed

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    Thanks, I'm glad nothing is missing, but I still don't understand the purpose of this accoustic shield?
     
  5. ShineKen

    ShineKen F1 World Champ Silver Subscribed

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  6. radback

    radback Formula Junior Silver Subscribed

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    Why would I need such a thing?
     
  7. OCKlasse

    OCKlasse Formula Junior Rossa Subscribed

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    It shields the clutch from the exhaust. The Challenge cars have it.
     
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  8. ShineKen

    ShineKen F1 World Champ Silver Subscribed

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    You don’t. You only need them if you are bothered by the brackets hanging down.
     
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  9. 308 GTB

    308 GTB F1 World Champ Rossa Subscribed

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    :D
     
  10. sfcarguy

    sfcarguy Formula Junior Rossa Subscribed

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    I’m pretty sure that’s a different part. The acoustic panel is under the sump area.
     
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  11. ShineKen

    ShineKen F1 World Champ Silver Subscribed

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    I believe the item is no longer available with no after-market reproductions. I would run without them and preserve the original. Install only for pics or during a sale.
     
  12. 308 GTB

    308 GTB F1 World Champ Rossa Subscribed

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    Right. The heat shield (#4) shields the clutch from the exhaust. It also acts as an air scoop to ventilate the clutch via holes drilled into the clutch housing...


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    After a while the silver paint flakes off but, surprisingly, the thin fiberglass heat shield doesn't deteriorate...


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    There's no acoustic panel on my F355 Challenge...


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  13. PaulK

    PaulK F1 Rookie Silver Subscribed

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    Very few cars have them. They were to help absorb noises from the valvetrain.
     
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  14. radback

    radback Formula Junior Silver Subscribed

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    So this is absolutely useless if like mine, the car is equiped with a loud Larini exhaust system :D
     
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  15. 308 GTB

    308 GTB F1 World Champ Rossa Subscribed

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    Bien sûr! :)
     

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