Heat shields..... Worth it?
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This is a discussion on Heat shields..... Worth it? within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; I live in El Paso, it gets pretty hot here. I just got my WRX and I'd like it to ...

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    Heat shields..... Worth it?

    I live in El Paso, it gets pretty hot here. I just got my WRX and I'd like it to stay in the best condition possible obviously. Are heat shields worth the money? What about turbo timers? Any other suggestions?

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    "Supreme Subaphile Extraordinairre" ninefourteener's Avatar
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    Heat shields - you won't notice any difference in performance... but yes... if you remove the stock one, you should replace it with a quality aftermarket one. I look at it as preventative maintenance and engine care.

    Turbo timer - worthless.
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    OMG WTF MainFrame's Avatar
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    Heat shields can keep your car from burning up in the event of a fluid leak.. so I'd say it's worth it.

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    Pro Manscaper Mikie13's Avatar
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    Turbo timers are a waste of money.

    Heat Shields are good. Keeps heat within the exhaust system and away from the cooling system which helps efficiency.
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    Moderator Donkey's Avatar
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    Your car already has heat shields from the factory,along with a water cooled turbo. I would be more concerned with a running good quality 10w40 synthetic oil and filter than underhood temps.
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    Registered User jimbo058's Avatar
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    Uh, I believe turbos are oil cooled, not water cooled.

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    Moderator rage-wrx's Avatar
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    Quote Originally Posted by jimbo058 View Post
    Uh, I believe turbos are oil cooled, not water cooled.
    You believed wrong. Our turbos are water cooled.
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    Admiral Ackbar the 1st mycologist's Avatar
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    Besides Ron has never posted a single wrong tech fact ever.
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    wouldn't a turbo blanket be more worth it?
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    Re: Heat shields..... Worth it?

    Quote Originally Posted by Methodical4u View Post
    wouldn't a turbo blanket be more worth it?
    I prefer to run both

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    Re: Heat shields..... Worth it?

    Quote Originally Posted by jimbo058 View Post
    Uh, I believe turbos are oil cooled, not water cooled.
    You're right... the OEM turbo IS oil cooled. It's also air cooled. Oh, and water cooled too

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    Pro Manscaper Mikie13's Avatar
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    Quote Originally Posted by mycologist View Post
    Besides Ron has never posted a single wrong tech fact ever.
    +1.
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    Quote Originally Posted by zax View Post
    I prefer to run both

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    Did you notice your temps down after installing both? Also, the issue i've read is that a turbo blanket will take away from the turbo life. No?
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    Registered User 11blackwrx's Avatar
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    I would say to get a heat shield, aftermarket ones are easy to install and are effective
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    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by zax View Post
    I prefer to run both

    ditto




    Quote Originally Posted by Methodical4u View Post
    Did you notice your temps down after installing both? Also, the issue i've read is that a turbo blanket will take away from the turbo life. No?


    Lower temps isn't really the point.. the performance to be had is mainly from retaining higher temperature within the exhaust and turbine housing. Keeping the heat in the exhaust and housing preturbo maintains exhaust gas velocity, which spins the turbo.

    I've never heard of reliability concerns with using a turbo blanket. I would think if anything it would improve reliability because it will extend the cooling period for the turbo. Quick, drastic temperature fluctuations are detrimental to turbo life (and pretty much any material).

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