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This is a discussion on Hood Scoop Insert or no? within the Exterior & Appearance forums, part of the Tech & Modifying & General Repairs category; Side question, does anyone know what happens to metal when it heats up?...

  1. #76
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    Side question, does anyone know what happens to metal when it heats up?
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  3. #77
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    It softens what do i win?
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    how about a damaged 2012 STi Intercooler...
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    Registered User wreckingball man's Avatar
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    Side question, does anyone know what happens to metal when it heats up?
    Metals tend to have low ionization energies and low electronegativity...so they are excellent conductors. However, because of this, they can also give heat away just as well (lose entropy). Hence why metals always feel cold. And on something like a heat sink, such as an intercooler, it won't get very "hot" in traffic unless you have removed all your exhaust/turbo heat shields and it's 100 deg outside.

    While driving or revving the engine most heat transferred to the intercooler comes from the air compressed by the turbo (willing to bet this is true, Ideal gas law, if not someone is welcome to correct me). It's possible that the intercooler absorbed 'large' amounts of heat from you revving the engine and driving the turbo, although I'm fairly certain the amount of energy needed to make the intercooler malleable is greater than could ever be transferred to the intercooler by compressed air from the turbo or radiant heat from the engine. Unless there was a very 'hot' fire underneath it; hot as the combustion chamber of your engine or the inside of the compressor housing of the turbo or something I don't see the intercooler getting 'softer.'

    But the catcher; the fins are already malleable, I highly doubt the heat made the fins any softer than they already were.

    I want pics of the hood and front bumper. If road salt was getting all the way up there, I would expect the front of the car to be extremely knicked up.
    Last edited by wreckingball man; 03-12-2014 at 08:38 AM.
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  6. #80
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    Quote Originally Posted by wreckingball man View Post
    Metals tend to have low ionization energies and low electronegativity...so they are excellent conductors. However, because of this, they can also give heat away just as well (lose entropy). Hence why metals always feel cold. And on something like a heat sink, such as an intercooler, it won't get very "hot" in traffic unless you have removed all your exhaust/turbo heat shields and it's 100 deg outside.

    Most heat transferred to the intercooler comes from the air compressed by the turbo (willing to bet this is true, Ideal gas law, if not someone is welcome to correct me). It's possible that the intercooler absorbed 'large' amounts of heat from you revving the engine and driving the turbo, although the amount of energy needed to make the intercooler malleable is greater than could ever be transferred to the intercooler unless there was a very 'hot' fire underneath it; hot as the combustion chamber of your engine or the inside of the compressor housing of the turbo or something.

    But the catcher; the fins are already malleable, I highly doubt the heat made the fins any softer than they already were.

    I want pics of the hood and front bumper. If road salt was getting all the way up there, I would expect the front of the car to be extremely knicked up.


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  7. #81
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    I'll take some pics when I go out for lunch.
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    Quote Originally Posted by zax View Post


    Just answer the question.
    They get soft. But the heat required to do that is probly much greater than could've been transferred. Parts under the hood don't just heat up to the point where they are malleable unless you have a serious issue. I just wanted to act intelligent
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  9. #83
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    Quote Originally Posted by wreckingball man View Post
    They get soft. But the heat required to do that is probly much greater than could've been transferred. Parts under the hood don't just heat up to the point where they are malleable unless you have a serious issue. I just wanted to act intelligent
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    2012 Subaru WRX STi Winter Damage 2014 - Imgur Here is a gallery including some of the previously posted images, most of which were taken today.
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    Quote Originally Posted by sonicdrumm80 View Post
    This is an example of the type of rock salt being pushed into my intake, my boot in the picture is a size 11.
    Congratulations...you have the same salt used on your roads as virtually everyone else that lives in a climate subject to winter. I've been driving in this same **** for over 8 years with 3 Subarus...and never had this issue.
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  12. #86
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    I live a little north of you, so I totally believe a salt truck dropping chunks could definitely do that. Can't believe it happened though. Drop back a ways behind them in the future if you can
    '14 SWP STI
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    check the gallery dude.
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  14. #88
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    definitely will try, this was before I bought my a/s tires, was still rolling on summers... From now on I will make sure to pick the road less travelled.
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    Damn dude


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  16. #90
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    Probably wouldn't have happened if you left the stock intake/box on, that's what it's for, stop tailgating


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