turbo question for newbi
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This is a discussion on turbo question for newbi within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; alright.. what is the turbo in the wrx and what is the turbo in the sti?? can you swap them?? ...

  1. #1
    Registered User aznburn210's Avatar
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    turbo question for newbi

    alright.. what is the turbo in the wrx and what is the turbo in the sti?? can you swap them?? without any problems?? or are you better off buying a after market turbo?? and what is the gains from going from a wrx turbo a sti turbo?? if any

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  3. #2
    Registered User Smokescreen's Avatar
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    Quote Originally Posted by aznburn210
    alright.. what is the turbo in the wrx and what is the turbo in the sti?? can you swap them?? without any problems??
    IHI VF39. Swapable with no problems. Read here-
    ihi v39 OK for 03 WRX?

    Quote Originally Posted by aznburn210
    or are you better off buying a after market turbo??
    Yup. I like the Mitsu-based ones, not the IHI's, but to each his own. If you really want one you can probably find it cheap since they come on the STI's.

    Quote Originally Posted by aznburn210
    and what is the gains from going from a wrx turbo a sti turbo?? if any
    Compressor maps and how to read them-
    http://clubwrx.net/forums/showthread...threadid=16541

    Turbo Type ----------- Approx flow @ pressure
    Stock Turbo ---------- 360 CFM at 14.7 PSI
    I can't find the vf39 in there, but I can tell you a lot of people upgrade to a vf34 or vf22 (even that isn't accurate). Everone has a different goal in mind.
    IHI VF-22 ------------ 440 CFM at 14.7 PSI

    You have a lot to learn, but we all started somewhere. Learn to search more, then if you can't find the answers, post up and ask for help. Learn about your car first, then mod it.
    Start by reading this thread-
    Engine Performance FAQ [[[READ ME]]]

    Get the basics done first (exhaust/ecu/gauges) then worry about upgrading. You might change your mind on which direction to go. Don't forget 300 is the limit. After that, the wrx tranny will start to break apart.

    200whp 208wtq @ 11psi (old)

  4. #3
    Registered User aznburn210's Avatar
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    sweet thanx... so minor mods.. alrighty.. rigth now im just learnign to drive it.. searching yes.. im apart of many other forums.. i usually search i was just in a hurry this morning... i don tknow what i want to do .. but i know i need to get tint and alarm first and for most

  5. #4
    Registered User WRC_Obsessed's Avatar
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    The stock WRX turbo is a Mistu td04 and the STi, as mentioned is a VF39.

    As with any turbo upgrade in the WRX you must also consider upgrading the fuel, exhaust and engine management as well.
    -Brian

    Twisty Monster - 335 ft/lb of torque @ 3600 rpm on a stock turbo. Is that possible? Yes it is.

  6. #5
    Registered User aznburn210's Avatar
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    thanx .. guy s...

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    Administrator RayfieldsWRX's Avatar
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    Quote Originally Posted by WRC_Obsessed
    As with any turbo upgrade in the WRX you must also consider upgrading the fuel, exhaust and engine management as well.
    +1
    Do it right.
    --Ray
    Grandfather of the Bugeye Mafia
    2013 Subaru BRZ Limited
    2002 Subaru WRX Bugeyebrid Wagon

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