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This is a discussion on WRX dependable? within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; Originally Posted by brandon lee Thanks for all of the advice guys I heard that turbo charged engines need special ...

  1. #31
    Administrator TheJ's Avatar
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    Quote Originally Posted by brandon lee View Post
    Thanks for all of the advice guys

    I heard that turbo charged engines need special oil, is this true?

    I was reading about turbo chargers online and one site recommended that users let their engines idle for 15 seconds before shutting off the engine to allow the turbo charger to cool down. I guess that the turbo charger continues to spin after the ignition is turned off, but since the engine is off, oil is not circulating in the turbo charger. So it is good to idle the car so the turbo charger can cool down with oil circulation.

    Has anyone heard about this?
    No special oil needed. Just follow the owner's manual.

    No it is not necessary to idle for 15 seconds to cool down a wrx but really, 15 seconds can't hurt if you have been driving in a spirited manner.
    Last edited by TheJ; 07-18-2007 at 04:05 PM.
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  3. #32
    Registered User BigB007's Avatar
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    From what I heard our cars are both oil and water cooled so it isn't necessary to let it idle for 15 min. before shutting it off....I've never done that.
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  4. #33
    Registered User BigB007's Avatar
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    Quote Originally Posted by TheJ View Post
    No special oil needed. Just follow the owner's manual.

    No it is not necessary to idle for 15 seconds in a wrx.
    beat me to the punch on that one just couldn't type fast enough
    Last edited by TheJ; 07-18-2007 at 01:28 PM.
    Bugeye Mafia #141 Military Militia #007 Hawkeye Alliance #126 The Stink-Eye Mob #92
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  5. #34
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    No it is not necessary to idle for 15 minute in a wrx.

    Sorry for the confusion I wrote 15 seconds.

  6. #35
    Registered User mike05STi's Avatar
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    Quote Originally Posted by brandon lee View Post
    How can one improve their gas mileage other than laying off the turbo.
    By either buying a 2.5rs or Camry or Accord or something.
    Congratulations on your purchase. But if you were that worried about fuel mileage, that's something that the Impreza, specifically the WRX isn't best known for.
    As for laying off the turbo, that's what it's there for. I try to drive my STi and keep it off boost most of the time but you just can't all of the time.
    It's like someone buying a convertible and NEVER lowering the top down.
    As for the gas, don't put anything less than 91 (and would highly recommend 93).
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  7. #36
    Registered User subaru_crazy's Avatar
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    Quote Originally Posted by RossLH View Post
    Avoid boost, accelerate lightly, and shift at the proper speeds (I'm pretty sure thats spelled out in the owner's manual).
    Boy oh boy I got it all wrong then, I mash the pedal from the start, shift at redline all the time, and hit boost every chance I get.


















    j/k Honestly the gas mileage is not that bad on the highway I get 27 crusing at 75mph so it all balances out, when I go for long trips its 27 but in the city I get 18-20 max but I usually fill up once a week or even once avery 10 days. As far as the ticking noises it actually the exhaust pipes and shields around the catalytic converters that make those noises. After I removed most of my stock exhaust piping the ticking is gone.
    MY LUG NUTS NEED MORE TORQUE THAN YOUR HONDA MAKES!!!!

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  8. #37
    Registered User RossLH's Avatar
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    Quote Originally Posted by subaru_crazy View Post
    Boy oh boy I got it all wrong then, I mash the pedal from the start, shift at redline all the time, and hit boost every chance I get.
    Kinda sounds like how I drive.
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  9. #38
    Registered User BigB007's Avatar
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    Quote Originally Posted by RossLH View Post
    Kinda sounds like how I drive.
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  10. #39
    Registered User RossLH's Avatar
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    Quote Originally Posted by BigB007 View Post
    Well, not quite redline, but I am a fan of boost.
    Bugeye Mafia #130

    '03 SRP WRX sedan. Engine mods - SPT intake, Perrin sport tone catback, stage 1 tune. Suspension mods - lots, excluding only the springs, struts, and tophats. Plans - dont screw this one up.

  11. #40
    Registered User BigB007's Avatar
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    I admit I do enjoy the boost
    Bugeye Mafia #141 Military Militia #007 Hawkeye Alliance #126 The Stink-Eye Mob #92
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  12. #41
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    im gonna take my turbo off and then i'll be teh fastar.
    Fender + WRX > Fender + VW...

  13. #42
    Registered User BigB007's Avatar
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    Quote Originally Posted by fenderwrx View Post
    im gonna take my turbo off and then i'll be teh fastar.
    The secret to beating teh srt-4
    Bugeye Mafia #141 Military Militia #007 Hawkeye Alliance #126 The Stink-Eye Mob #92
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  14. #43
    Registered User fenderwrx's Avatar
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    Quote Originally Posted by BigB007 View Post
    The secret to beating teh srt-4
    <---installed an afterburner where the TD04 once sat
    Fender + WRX > Fender + VW...

  15. #44
    Registered User BigB007's Avatar
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    Quote Originally Posted by fenderwrx View Post
    <---installed an afterburner where the TD04 once sat
    Bugeye Mafia #141 Military Militia #007 Hawkeye Alliance #126 The Stink-Eye Mob #92
    03 WRB WRX - Sold
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    11 SWP WRX - Current

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