Anyone make a hood scoop cover for car washes?
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This is a discussion on Anyone make a hood scoop cover for car washes? within the Detailing Forum forums, part of the Tech & Modifying & General Repairs category; I normally hand wash my cars but in the sub zero temps where I live, not even spraying your car ...

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    Anyone make a hood scoop cover for car washes?

    I normally hand wash my cars but in the sub zero temps where I live, not even spraying your car down helps, as all it does it turn it into one big block of ice. So I go thru a touchless car wash with dryer to keep the salt off. In the mean time I don't really want to rust up my interior, nor blow cold water onto super hot parts in my engine either. Does anyone make a hood scoop filler that you throw in during car washes? I know I can make my own but before I do, I just wanted to see if there was one out there.
    I know I could just "stuff a towel in there" but then what do I do with this soaked towel after the car wash? I was thinking there was something that doesn't soak up water that comes with a case you could throw in there during the wash, then yank it out and stuff it back into it's case again, and throw it back in the trunk. Anyone?
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    Village Idiot McBill's Avatar
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    Car wash water is not going to hurt anything. It's no different than driving in the rain.
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    Administrator TheJ's Avatar
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    Quote Originally Posted by New09wrx View Post
    I normally hand wash my cars but in the sub zero temps where I live, not even spraying your car down helps, as all it does it turn it into one big block of ice. So I go thru a touchless car wash with dryer to keep the salt off. In the mean time I don't really want to rust up my interior, nor blow cold water onto super hot parts in my engine either. Does anyone make a hood scoop filler that you throw in during car washes? I know I can make my own but before I do, I just wanted to see if there was one out there.
    I know I could just "stuff a towel in there" but then what do I do with this soaked towel after the car wash? I was thinking there was something that doesn't soak up water that comes with a case you could throw in there during the wash, then yank it out and stuff it back into it's case again, and throw it back in the trunk. Anyone?
    Quote Originally Posted by McBill View Post
    Car wash water is not going to hurt anything. It's no different than driving in the rain.
    ^This.




    Practically speaking, it is completely unnessecary to prevent car wash water from getting in the scoop and simply not something worth worrying about.

    As you may be aware, the hood scoop doesn't really direct air on to the engine it's primarily directing air onto the intercooler. The intercooler cools the compressed but heated air charge from the turbo to be more dense before it is used. Practically speaking, anything that helps draw heat off faster actually improves the performance of the intercooler (air moving over wet intercooler fins will draw more heat than dry fins). In fact, my 04 STi didn't even come standard with a radio but it did come standard with an OEM water sprayer kit installed to spray water on to the intercooler. The efficacy of the OEM water sprayer kits for the vast majority of folks is debatable but the water spray certainly doesn't hurt performance. Either way Subaru doesn't install them anymore but that certainly isn't because it caused engine problems. If water was a tremendous issue, Subaru would likely have given up on using top mounted intercoolers.

    In short, there is no practical reason to worry much about car wash spray getting on your intercooler.
    Last edited by TheJ; 02-20-2015 at 06:24 AM.
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    How much would you like to pay.....I think I have some Market Basket plastic hanging around.

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    Registered User cflip2x's Avatar
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    If you really want to make one get some kydex and cut out a sheet pop the hood and slip it under to fill the hole and slip it into the inter cooler duct
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    I know it doesn't HURT anything, I just like a clean engine bay, and the dude that owned this before me wasn't as anal as I am, and let his **** rust all to hell. I turn my own wrenches, and hate struggling with bolts, or having to pre-soak them the day before just to get anything done. I'd rather just prevent my engine bay from getting all soaked in the first place. I realize I don't have a lot of choice when it's raining, but I do have a choice when going to one of those automated car washers that spray the **** out of your hood. I don't like soaking my engine down if I don't absolutely have to. It's unecessary. Once I get used to something, I like to keep them for a long time. 10-20 years if I can. Can't do that if I rust my engine all to hell.

    So, anyone know who makes something like this specifically for our cars?
    '09 silver WRX base sedan. Stock-for now...

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    Registered User cflip2x's Avatar
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    You would have to make something your self just find a way to have a couple of small L brackets in your scoop get some kydex or other plastic and some push clips. You may even be able to get away with a sheet of plastic slide it in like a pizza tray and pop the hood and use push clips from under

    Or and figure a way to make it a quick removal
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    Registered User wreckingball man's Avatar
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    Most detailers I know spray a light cleaner/degreaser on the engine bay, then spray it off with water. Clean engine!

    When it comes to rust, a car wash is the least of your worries. Actually it might be helping you, rinsing off that salty moist mix that makes its way up in there while driving!

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    Quote Originally Posted by wreckingball man View Post
    Most detailers I know spray a light cleaner/degreaser on the engine bay, then spray it off with water. Clean engine!

    When it comes to rust, a car wash is the least of your worries. Actually it might be helping you, rinsing off that salty moist mix that makes its way up in there while driving!

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    THIS +1
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    Village Idiot McBill's Avatar
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    Quote Originally Posted by New09wrx View Post
    I know it doesn't HURT anything, I just like a clean engine bay, and the dude that owned this before me wasn't as anal as I am, and let his **** rust all to hell. I turn my own wrenches, and hate struggling with bolts, or having to pre-soak them the day before just to get anything done. I'd rather just prevent my engine bay from getting all soaked in the first place. I realize I don't have a lot of choice when it's raining, but I do have a choice when going to one of those automated car washers that spray the **** out of your hood. I don't like soaking my engine down if I don't absolutely have to. It's unecessary. Once I get used to something, I like to keep them for a long time. 10-20 years if I can. Can't do that if I rust my engine all to hell.

    So, anyone know who makes something like this specifically for our cars?
    I routinely clean my engine bay with lots of water over the summer. And it sparkles like an oiled baby's ass. I'd be willing to bet you that your engine bay will actually look BETTER after you run it through the car wash. The water from a car wash is not going to cause your bolts to rust. It's actually the minerals and salt on the roads in which you drive. So not washing your engine bay can actually cause more harm than not washing it....

    I honestly don't see any logic in your posts.
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    The Member michaelwfox's Avatar
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    Not only do you not need to worry about this in general, the hood scoop isn't even the biggest place water gets in at a car wash. Blocking the hood scoop would stop a very minimal amount of water.
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    Ok thanks guys.
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    Moderator   Sasquatch's Avatar
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    Quote Originally Posted by New09wrx View Post
    I just like a clean engine bay. I'd rather just prevent my engine bay from getting all soaked in the first place.
    How do you keep it clean without water?

    How to safely clean an engine bay
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