Foreign substance adhering to the manifold | FerrariChat

Foreign substance adhering to the manifold

Discussion in '308/328' started by Sansho Kamogawa, Oct 20, 2025 at 5:21 AM.

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  1. Sansho Kamogawa

    Sansho Kamogawa Rookie

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    Hideyuki Kishimoto
    The photo shows the intake manifold inlet of a 308 (carbureted version). There seems to be some reddish, crystal-like substance attached. Do you know what this might be?
    Image Unavailable, Please Login
     
    Sansho Kamogawa, Oct 20, 2025 at 5:21 AM
    #1
  2. Newman

    Newman F1 World Champ Consultant Owner Professional Ferrari Technician

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    The intake manifold gasket is letting coolant from the above passage enter the port. You're going to find plugged ports and transfer slots as well as lot of corrosion when you remove the manifold. And do both banks not just the one.
     
    Newman, Oct 20, 2025 at 6:06 AM
    #2
    TheMayor and Steve Magnusson like this.
  3. Newman

    Newman F1 World Champ Consultant Owner Professional Ferrari Technician

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    Newman, Oct 20, 2025 at 6:08 AM
    #3
  4. Sansho Kamogawa

    Sansho Kamogawa Rookie

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    I totally agree with you.
     
    Sansho Kamogawa, Oct 20, 2025 at 6:31 AM
    #4
  5. Dr Tommy Cosgrove

    Dr Tommy Cosgrove Three Time F1 World Champ Owner Rossa Subscribed

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    Not that this is what this is but doesn't excessive octane booster additives leave a reddish "film" in places?
     
    Dr Tommy Cosgrove, Oct 20, 2025 at 7:23 AM
    #5
  6. Sansho Kamogawa

    Sansho Kamogawa Rookie

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    Thank you , but I've never used additives.
     
    Sansho Kamogawa, Oct 20, 2025 at 8:19 AM
    #6

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