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expansion tank top up 355

Discussion in '348/355' started by lotusk, Jul 14, 2009.

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  1. lotusk

    lotusk Formula 3

    Nov 3, 2003
    1,840
    London UK
    #1 lotusk, Jul 14, 2009
    can someone tell me if it is ok to top up my coolant expansion tank with pure anti freeze or does it have to be diluted with water.........if so what is the correct ratio?
     
  2. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
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    Vegas+Alabama
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    Mr. Sideways
    #2 No Doubt, Jul 14, 2009
    It's fine to just add anti-freeze. Obviously if you add too much anti-freeze you could reduce the ability of the radiators to cool, but in small amounts this is not an issue.

    A better approach, however, is to buy Prestone's 50/50 pre-mix coolant. Then you never have to worry about your anti-freeze ratio, or about the quality of your water (did I use distilled water or tap?!).
     
  3. lotusk

    lotusk Formula 3

    Nov 3, 2003
    1,840
    London UK
    #3 lotusk, Jul 14, 2009
    thanks for the reply

    if i did mix my own is 50/50 ok and do i use distilled water or tap?
     
  4. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
    72,740
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    Mr. Sideways
    #4 No Doubt, Jul 14, 2009
    In small quantities it will make no difference except on the Internet, where proponents of tap water and advocates of distilled water will talk your ear off.
     
  5. lotusk

    lotusk Formula 3

    Nov 3, 2003
    1,840
    London UK
    #5 lotusk, Jul 14, 2009
    okey dokey
     
  6. 285ferrari

    285ferrari Two Time F1 World Champ
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    Robbie
    #6 285ferrari, Jul 14, 2009
    How about using deionized water?
     
  7. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
    72,740
    Vegas+Alabama
    Full Name:
    Mr. Sideways
    #7 No Doubt, Jul 15, 2009
    Buy the Prestone 50/50! You'll never have to worry about what type of water was used.
     
  8. 285ferrari

    285ferrari Two Time F1 World Champ
    Sponsor

    Sep 11, 2004
    20,977
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    Robbie
    #8 285ferrari, Jul 15, 2009
    Just saying if I notice mine is a tad low, instead of going to store and paying for a gallon of 50/50, I have deionized water at home free....
     

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