how do i read my Stock boost gauge?
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This is a discussion on how do i read my Stock boost gauge? within the Interior Mods forums, part of the Tech & Modifying & General Repairs category; i just got my 02 subaru wrx a few days ago, and dont really understand my factory boost gauge? cant ...

  1. #1
    Banned Blackpeon's Avatar
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    Red face how do i read my Stock boost gauge?

    i just got my 02 subaru wrx a few days ago, and dont really understand my factory boost gauge? cant someone help?

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  3. #2
    Registered User KoreanBeefcake's Avatar
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    the stock unit is in MPa or something i beleive. its easiest to understand in PSI there is some conversion threads somewhere in this forum.

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    divide your boost gauge reading by .0068 and you'll get your reading in PSI. this is about 95% accurate. your stock boost should be at or near .09, and my UTEC is set exactly between .1 and .11

  5. #4
    Registered User J.D.'s Avatar
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    Hope this helps. It helped me alot.

    Boost conversion:

    .05=7.25
    .06=8.70
    .07=10.15
    .08=11.60
    .09=13.05
    .1=14.50

    .01=1.45psi

    jd
    "It only takes a moment to change your attitude, & at that moment it will change your life."

  6. #5
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    also...here's a helpful website for conversions.

    www.convert-me.com
    "I don't think he knows how to give up. His mind and machine are racing as one." -Takahashi Ryosuke

  7. #6
    Registered User bluerex47's Avatar
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    or just multiply the number in MPa by 147.

    p.s. .1 MPa is 14.7 psi. stock is .09. cobb ap stage 1 is around .1

    not the best gauge, but you'll get used to it
    - chris
    04 wrx, 04 corvette, 66 GTO
    ACT installed at 36k...new Gears at 44k...

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    Registered User hybrid gti 2's Avatar
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    ok i bet with the question I sound like a newbe but related question. how accurate is the stock gauge? I find the when my boost controler compared to stock seems to be a bit off. now the boost gauge is at the bov like mfg. now the boost controler is at the fuel rail. I get simular readings but whats more accurate?
    2002 wagon 83k miles
    perrin short ram, inlet & fmic, perrin / samco hoses and fuel rails, bosal dp. erz upp, borla catback, sti ra gears w/ stock 5th, act clutch & fly, vf30, AP, perrin end links, critical cooling kit, hks bov, perrin 4pot brakes, rota wheels, hid w/ levals

    Racenut3.0 - said
    "The worst thing about the AP is it did not come with any fairy dust. I wanna fly dammit!"

  9. #8
    Registered User J.D.'s Avatar
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    Quote Originally Posted by hybrid gti 2
    ok i bet with the question I sound like a newbe but related question. how accurate is the stock gauge? I find the when my boost controler compared to stock seems to be a bit off. now the boost gauge is at the bov like mfg. now the boost controler is at the fuel rail. I get simular readings but whats more accurate?
    My guess is that the GReddy EBC is more accurate just because I think the stock guage sucks.

    Between the two which one reads the highest??

    On my stock guage mine reads a hair under .09 during WOT without any boost control or eng. mgt.
    but when the car is off it reads a hair under the 0 line so I think I'm getting the full 13.5 stock boost.

    jd
    "It only takes a moment to change your attitude, & at that moment it will change your life."

  10. #9
    Registered User hybrid gti 2's Avatar
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    ok that what i have gone by but was not sure.
    2002 wagon 83k miles
    perrin short ram, inlet & fmic, perrin / samco hoses and fuel rails, bosal dp. erz upp, borla catback, sti ra gears w/ stock 5th, act clutch & fly, vf30, AP, perrin end links, critical cooling kit, hks bov, perrin 4pot brakes, rota wheels, hid w/ levals

    Racenut3.0 - said
    "The worst thing about the AP is it did not come with any fairy dust. I wanna fly dammit!"

  11. #10
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    Hi,

    I was wondering what the stock boost gauge reads at idle on your cars so I can compare it to mine.

    Thanks in advance

  12. #11
    Banned truWRXtacy's Avatar
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    hehe just go get a new guage from e-bay. i think 100 bucks shipped for a greddy one.

  13. #12
    Banned truWRXtacy's Avatar
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    oops turbo timer = guage? sorry i dunno

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    Registered User zapman's Avatar
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    Quote Originally Posted by J.D.
    My guess is that the GReddy EBC is more accurate just because I think the stock guage sucks.

    Between the two which one reads the highest??

    On my stock guage mine reads a hair under .09 during WOT without any boost control or eng. mgt.
    but when the car is off it reads a hair under the 0 line so I think I'm getting the full 13.5 stock boost.

    jd
    I thought stock we got in the low to mid 14's for boost. I got my greddy boost gauge installed with a up/dp last winter and I would be consistently at 1 bar and on really cold days hit a little over 1.1 bar.
    Former member of bugeye mafia

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  15. #14
    Registered User J.D.'s Avatar
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    Quote Originally Posted by zapman
    I thought stock we got in the low to mid 14's for boost. I got my greddy boost gauge installed with a up/dp last winter and I would be consistently at 1 bar and on really cold days hit a little over 1.1 bar.
    13.5 for WRX

    14.5 for WRX STi
    "It only takes a moment to change your attitude, & at that moment it will change your life."

  16. #15
    Banned truWRXtacy's Avatar
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    turbo timer is same as a guage right? just digital vs non digital or m i wrong?

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