Stock turbo gauge readings
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This is a discussion on Stock turbo gauge readings within the Interior Mods forums, part of the Tech & Modifying & General Repairs category; I'm curious to see what other owners have been getting. My car only has an Injen CAI on it at ...

  1. #1
    Registered User All8up's Avatar
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    Stock turbo gauge readings

    I'm curious to see what other owners have been getting. My car only has an Injen CAI on it at the moment and my gauge is reading nothing higher than 0.5 @ 6k rpms in 3rd gear, I've seen it creep up only a bit higher. I'm suspecting the gauge is off.
    What is everyone else getting?
    e46 M3 (new toy)
    02 wrx w/257 swap (now sold)
    IS 300 5spd w/ NAV (hers)

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  3. #2
    Registered User GregFarz78's Avatar
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    Um .5 bar or .5 psi

    I've seen an aftermarket turbo guage hit 14 psi in 3rd which is about right...if you're talking .5 bar thats only about 7 psi so something is wrong there maybe a loose connection.
    2003 WRX this summer
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  4. #3
    Registered User All8up's Avatar
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    Yeah it is 0.5 Bar. Maybe I should ask what is everyone's stock turbo gauge reading at 4k in 3rd gear.
    Thanks
    e46 M3 (new toy)
    02 wrx w/257 swap (now sold)
    IS 300 5spd w/ NAV (hers)

  5. #4
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    That's about right. From what i understand first gear is set for about 9psi. the rest i'm a lil foggy on. but as you go up on gears the factory settings are set only as high as 12psi or 12.5psi
    (i forget heh)

    ---RaCinWRX

  6. #5
    Banned dark_rex's Avatar
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    max factory boost in third gear is 14.5 psi.

    9 in 1st, and slightly higher in second.

    check all your connections.

    dR

  7. #6
    Registered User
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    I too have the stock/factory turbo gauge (dash mounted) and have been able to reach the ".1" in third gear.

    Fun Facts (though this has been posted elsewhere):

    1 Atmosphere = 14.6959 psi
    .1 MPa = 1 bar = 14.5037 psi = 29.6 in mercury

    I'm pretty sure that "MPa" means MegaPascal (1,000,000 Pascals) and that Pascal is Newton/Sq Meter.

    If any of this is wrong please feel free to correct me.

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