05 wrx 2.0 1/4 mile time stock tdo4 stage 2
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This is a discussion on 05 wrx 2.0 1/4 mile time stock tdo4 stage 2 within the Comparison: WRX vs World forums, part of the Community - Meet other Enthusiasts category; Event: quarter mile Location: Rockingham nc Ambient Temp: 78 Elevation: unknown Weather: hot Track and Conditions: asphalt/flat Tires: nexums stock ...

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    05 wrx 2.0 1/4 mile time stock tdo4 stage 2

    Event: quarter mile
    Location: Rockingham nc
    Ambient Temp: 78
    Elevation: unknown
    Weather: hot
    Track and Conditions: asphalt/flat
    Tires: nexums stock size

    Car: 05 wrx 2.0
    Tuner: Tod motion lab tuning
    Charlotte nc
    Transmission: 5spd factory

    Target Boost: 22psi
    Target AFR: 11:1
    Fuel: 93 oct unleaded
    Engine/Power Modifications:
    Stock td04
    3 inch turbo back exhaust
    Hks uppipe
    Mlt 3 port ebcs
    Ic tilt
    Throttle body bypass mod

    Driveline Modifications: stock
    Suspension Modifications: stock

    Driving style: launching at around 4.5- 5k
    flat foot shifting.
    Shifting @ around 6.5 k

    R/t .005
    60. 1.773
    330. 5.543
    1/8. 8.592
    Mph 81.51
    1000. 11.215
    1/4. 13.442
    Mph. 101.13

    So after seeing all of this in yalls opinion am I running around what I should be for my mods...?

    Also id like any input on some better techniques ie. Shift point launch rpms. Etc.

    Thanks for looking

    I will upload the time slip when I get home

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    Registered User oguitar's Avatar
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    That is pretty good for a TD04.
    Life is like riding a bicycle in order to keep your balance you must keep moving.

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    Registered User 2004NeonSRT4's Avatar
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    i would like to see the dyno graph with afr readings. 11.1 is a good a/f but 22psi is a lot of hot air coming out of that little turbo. i would be afraid of detonation. do you have a scan gauge that measures knock?

    either way it's a good time.
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    I have no dynographs because it was a road tune.

    He data logged it for about 2 hrs with tons of wot pulls and never got any knock

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    Registered User 2002_wagon's Avatar
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    i was always told to shift right around 5.8k to 6.2k and 22psi out of a tdo4 wow i only ran 16psi. your injecters stock? other then that good time. i wonder what mine will run at sea level after all my mods
    278whp 286tq blouch 16g @ 17.5psi
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    22 psi is very high on 93

    My tuner told me that my car just kept taking increased timing and that 22 psi isn't hurting anything. No knock no detonation

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    zax
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    I always get weary of those who just add timing to quell knock... :-/
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    Idk much about tuning.. he's a reputable shop so I hope he knows way he's doing..


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    Are you comfortable mentioning who did your tune?
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    Todd from motion lab tuning in charlotte nc

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    Registered User 2002_wagon's Avatar
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    ok so im like really lost after you go past 19 or 20 psi dont they stock TD04 become inefficent and all it does is blow hot air?
    278whp 286tq blouch 16g @ 17.5psi
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    Yes im sure its out of its efficiency range.. on e85 maybe not but on 93 def...

    I recently had aconvo on nastyoc about this..

    They came to the conclusion that id run the same time maybe even better setting my peak psi at 18

    I don't know anything about tuning so I really have no clue...

    If 22psi isn't efficient why would the tuner run it up so high

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    Registered User 2002_wagon's Avatar
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    Quote Originally Posted by epicroot View Post
    Yes im sure its out of its efficiency range.. on e85 maybe not but on 93 def...

    I recently had aconvo on nastyoc about this..

    They came to the conclusion that id run the same time maybe even better setting my peak psi at 18

    I don't know anything about tuning so I really have no clue...

    If 22psi isn't efficient why would the tuner run it up so high

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    Because he doesnt know what hes doing maybe???? my car has been tuned by 4 different people(moved around a lot) and each of them on my stock turbo never went past 17 psi. I think you might want to discuss this with your tuner and see
    278whp 286tq blouch 16g @ 17.5psi
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    His shop specialises in subarus.. its really about all they work on.

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    zax
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    Quote Originally Posted by 2002_wagon View Post
    ok so im like really lost after you go past 19 or 20 psi dont they stock TD04 become inefficent and all it does is blow hot air?
    It depends on your atmospheric pressure and inlet temperatures (and intercooling efficiencies).

    http://www.wallpaperinstaller.com/scooby/13T.tif

    This is some good info:
    EngineLogics. - How to read a Compressor Maps

    On the stock intercooler, stock turbo, at sea level and standard temperature... most tuners seem to suggest 20 PSI is the maximum efficiency... I can crunch the numbers later.
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