coolant ratios
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This is a discussion on coolant ratios within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; in a warm temperature environment, such as houston - which stays at 90 degress year round is it really necessary ...

  1. #1
    Moderator Penguinking's Avatar
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    coolant ratios

    in a warm temperature environment, such as houston - which stays at 90 degress year round is it really necessary to have a 50/50 mix of coolant and antifreeze?

    since theres probably NO risk of temps getting that low, would it be ok to change it to say, a 80/20 coolant/antifreeze ratio instead? or perhaps even do away with the antifreeze in the first place?
    Silver 911
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    Moderator beastcivic's Avatar
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    Antifreeze also has a preventative aspect of not boiling either. So no, don't do away with the antifreeze mix. Take a look at what is best for your environment. You may not need the freeze protection, but you will need the boil protection.
    -Jim

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    tan
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    Thinking Man's Engine tan's Avatar
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    There's also other additives in the coolant to prevent corrosion also.

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    Moderator Penguinking's Avatar
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    well considering the lack of um...what's that stuff called?....COLD down here in texas, i'd like to do away with some of the antifreeze mix at least. so what would a reasonable ratio be?

    btw i can alter this when summer comes along and it gets to 100 degrees, but i'm talking about for right now
    Silver 911
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    MisterX's Avatar
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    Why?

    Glycol is good stuff. As I understand it, glycol boils at 212 degrees as does water. When combined, the boiling temp of the mixture is increased. So you not only get protection from cold, you are also protected from overheating.

    X

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    Moderator beastcivic's Avatar
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    I would look at a bottle of antifreeze. From what I remember 50/50 is ideal for not boiling over. Or you can try what all the bike guys use for track days. It's called water wetter, add that to water and you have a boil over protection but none (at least that I know of) freeze protection. I would avoid using less than a 50/50 mix of antifreeze unless you use water wetter in my opinion.
    -Jim

    '02 Platinum Silver WRX sedan w/roof rack...bone stock. Ok, now that's a lie.

    GO HOKIES!!!!!!!!!

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    Moderator beastcivic's Avatar
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    Maybe this'll clear it up for you. Take a look at this page: Howstufworks.com

    That shows you (being in a warmer climate) actually want more coolant that water (a 70/30 mix) to achieve a better boil point.

    Hope that helps a little more.
    -Jim

    '02 Platinum Silver WRX sedan w/roof rack...bone stock. Ok, now that's a lie.

    GO HOKIES!!!!!!!!!

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    Moderator Penguinking's Avatar
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    thanks!

    i know i don't have the absolute need for a better cooling system, since the stock sys does a pretty good job by itself. i was just looking for ways to improve on it - something that might help out a lil bit in the long run
    Silver 911
    WRX's older brother

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