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Ferrari 365 Radiator Overflow Expansion Tank 330 GTC overflowing

Discussion in 'Vintage (thru 365 GTC4)' started by massimofinance, Nov 16, 2017.

  1. massimofinance

    Nov 24, 2004
    39
    After sitting for a month or so, I ran the 330 GTC (1967) and after about ten minutes, this tank started to significantly leak antifreeze from the nozzle off of the neck. I shut it down, let it sit 10 minutes, started it back up and after 5 minutes, it started again. Do we think this is my thermostat not opening up? Any other things I need to look at? Thanks..
     
  2. massimofinance

    Nov 24, 2004
    39
    Also, one more question- I might change the radiator and expansion tank caps- if I dont want to go original, does anyone know what I can use? I'd like to use the Stant caps...
     
  3. Ak Jim

    Ak Jim F1 Rookie
    Rossa Subscribed Owner

    Dec 23, 2007
    3,993
    North Pole AK
    I would test for combustion gases in the coolant, possible bad head gasket.
     
  4. TTR

    TTR Formula 3
    Silver Subscribed

    Mar 29, 2007
    1,597
    Riverside, CA
    Full Name:
    Timo
    The problem could be caused by numerous possibilities, including one Ak Jim suggested or faulty pressure cap or ...
    Suggesting solutions without on-car testing is like shooting in the dark.
     

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