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Thread: Gear Ratios

  1. #1
    Founding Father/SCS Original
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    Default Gear Ratios

    Impreza 2.2l L models:

    Automatic transmission gear ratios:
    1st - 2.785
    2nd - 1.545
    3rd - 1.000
    4th - 0.694
    reverse - 2.272
    final drive ratio - 4.11

    Manual transmission gear ratios:
    1st - 3.545
    2nd - 1.947
    3rd - 1.366
    4th - 0.972
    5th - 0.780
    reverse - 3.333
    final drive ratio - 3.90


    Impreza 2.5RS models:

    Automatic transmission gear ratios:
    1st - 3.027
    2nd - 1.619
    3rd - 1.000
    4th - 0.694
    reverse - 2.272
    final drive ratio - 4.44

    Manual transmission gear ratios:
    1st - 3.545
    2nd - 2.111
    3rd - 1.448
    4th - 1.088
    5th - 0.780
    reverse - 3.333
    final drive ratio - 4.11


    WRX 2.0l models:

    Automatic transmission gear ratios:
    1st - 2.785
    2nd - 1.545
    3rd - 1.000
    4th - 0.684
    reverse - 2.272
    final drive ratio - 4.11

    Manual transmission gear ratios:
    1st - 3.454
    2nd - 1.947
    3rd - 1.366
    4th - 0.972
    5th - 0.738
    reverse - 3.333
    final drive ratio - 3.90

    2004/2005 JDM STi

    04 JDM Sti 6 speed:

    1st - 3.636
    2nd - 2.375
    3rd - 1.761
    4th - 1.346
    5th - 1.062
    6th - 0.842
    Final - 3.900

    05 JDM Sti 6 speed:

    1st - 3.636
    2nd - 2.375
    3rd - 1.761
    4th - 1.346
    5th - 1.062
    6th - 0.842
    Final - 3.900

    2006 JDM WRX STi

    06 JDM Sti 6 speed

    1st - 3.636
    2nd - 2.375
    3rd - 1.761
    4th - 1.346
    5th - 1.062
    6th - 0.842
    Final - 3.900

    2006/2007 WRX 2.5l models:

    Automatic transmission gear ratios:
    1st - 2.785
    2nd - 1.545
    3rd - 1.000
    4th - 0.684
    reverse - 2.272
    final drive ratio - 3.90

    Manual transmission gear ratios:
    1st - 3.454
    2nd - 1.947
    3rd - 1.366
    4th - 0.972
    5th - 0.738
    reverse - 3.333
    final drive ratio - 3.70

    2008 WRX 2.5l models:

    Automatic transmission gear ratios:
    1st - 2.785
    2nd - 1.545
    3rd - 1.000
    4th - 0.684
    reverse - 2.272
    final drive ratio - 3.90

    2008 5speed manual
    1st 3.166
    2nd 1.882
    3rd 1.296
    4th 0.972
    5th 0.738
    final 3.900


    2009 WRX 5 speed manual
    1st 3.166
    2nd 1.882
    3rd 1.296
    4th 0.972
    5th 0.738
    final 3.900


    2010 WRX 5 speed manual
    1st 3.166
    2nd 1.882
    3rd 1.296
    4th 0.972
    5th 0.738
    final 3.900



    Impreza WRX STi models:

    2004-2006 manual transmission gear ratios:
    1st - 3.636
    2nd - 2.375
    3rd - 1.761
    4th - 1.346
    5th - 0.971
    6th - 0.756
    reverse - 3.545
    final drive ratio - 3.90

    2007 manual transmission gear ratios:

    1st: 3.636
    2nd: 2.235
    3rd: 1.521
    4th:1.137
    5th:0.971
    6th: 0.756
    reverse - 3.545
    final drive ratio - 3.90

    2008 STi 6 speed manual
    1st 3.636
    2nd 2.235
    3rd 1.521
    4th, 1.137
    5th 0.097
    6th 0.756
    Front final gear ratio: 3.9
    Rear final gear ratio: 3.545

    2009 STI 6 speed manual
    1st 3.636
    2nd 2.235
    3rd 1.521
    4th, 1.137
    5th 0.097
    6th 0.756
    Front final gear ratio: 3.9
    Rear final gear ratio: 3.545

    2010 STI 6 speed manual
    1st 3.636
    2nd 2.235
    3rd 1.521
    4th, 1.137
    5th 0.971
    6th 0.756
    Front final gear ratio: 3.9
    Rear final gear ratio: 3.545

    2005-2009 Legacy

    Legacy2.5i 5spd manual
    1st 3.454
    2nd 2.062
    3rd 1.448
    4th 1.088
    5th .780
    fianl 3.90

    Legacy2.5i Automatic
    4spd Automatic
    1st 2.785
    2nd 1.545
    3rd 1.
    4th .694
    final reduction 4.111

    Legacy GT Turbo Manual
    5spd manual
    1st 3.166
    2nd 1.882
    3rd 1.296
    4th .972
    5th .738
    final reduction 4.111

    Legacy GT turbo Auto
    5spd auto
    1st 3.540
    2nd 2.264
    3rd 1.471
    4th 1.
    5th .834
    final reduction 3.272

    outback 2.5i Manual 5spd
    1- 3.454
    2- 2.062
    3- 1.448
    4- 1.088
    5- 0.871
    final 4.111

    Outback 2.5i Automatic 4spd
    1- 2.785
    2- 1.545
    3-1.000
    4-0.694
    final 4.444

    Outback XT Manual 5spd
    1- 3.166
    2- 1.882
    3- 1.296
    4- 0.972
    5- 0.738
    final 4.444

    Outback XT Automatic 5spd
    1- 3.540
    2- 2.264
    3- 1.471
    4- 1.000
    5- 0.834
    final 3.583


    Outback 3.0R/VDC/LL Bean

    Automatic transmission gear ratios:
    1st - 3.540
    2nd - 2.264
    3rd - 1.471
    4th - 1.000
    5th - 0.834
    reverse - 2.370
    final drive ratio - 3.583

    2007 Legacy 2.5GT Spec.B

    6-speed Manual transmission gear ratios:
    1st - 3.636
    2nd - 2.235
    3rd - 1.521
    4th - 1.137
    5th - 0.891
    6th - 0.707
    reverse - ???
    final drive ratio -3.90

    B-9 Tribeca

    Automatic transmission gear ratios:
    1st - 3.84
    2nd - 2.35
    3rd - 1.53
    4th - 1.00
    5th - 0.84
    reverse - 2.77
    final drive ratio - 3.58

    Forester Models
    2.5L non turbo manual trans has 4.11:1 final drive
    Non-turbo AT and Turbo manual and AT all have 4.44:1 final drive.

    2.5 Non Turbo 5 Manual
    1st 3.454
    2nd 2.062
    3rd 1.448
    4th 1.088
    5th 0.780
    Reverse 3.333
    Transfer 1.000
    Final 4.111

    2.5 Non Turbo 4 Auto
    1st 3.027
    2nd 1.619
    3rd 1.000
    4th 0.694
    Reverse 2.272
    Transfer (none)
    Final 4.444

    2.5 XT Turbo 5 Manual
    1st 3.454
    2nd 1.947
    3rd 1.366
    4th 0.972
    5th 0.738
    Reverse 3.333
    Transfer 1.000
    Final 4.444

    2.5 XT Turbo 4 Auto
    1st 2.785
    2nd 1.545
    3rd 1.000
    4th 0.694
    Reverse 2.272
    Transfer (none)
    Final 4.444



    5speed transmission
    PPG gearset
    3.18 / 1.87 / 1.32 / 0.95 / OEM - Synchro 1st-4th Helical Cut Gear Set
    3.08 / 1.87 / 1.32 / 0.95 / OEM - Synchro 1st-4th Straight Cut Gear Set
    3.08 / 2.15 / 1.50 / 1.05 / OEM - Synchro 1st-4th Helical Cut Gear Set from Andrewtech
    3.18 / 1.87 / 1.32 / 0.95 / OEM - Dogbox 1st-4th Straight Cut Gear Set
    3.08 / 2.15 / 1.50 / 1.05 / OEM - Dogbox 1st-4th Helical Cut Gear Set

    MFactory
    3.454 / 1.940 / 1.350 / 0.958 / 0.769 - MFactory PRO Series Gear Set

    6speed transmission
    Subaru
    PPG
    3.080 / 1.880 / 1.350 / 0.960 / OEM / OEM - Drag 4 Gear Subaru 5MT Dog Gear Kit

    Legacy GT gears swapped into WRX
    Subaru
    3.166 / 1.882 / 1.296 / 0.972 / 0.738 - USDM '05+ Legacy 2.5GT & JDM models
    3.083 / 2.062 / 1.545 / 1.151 / 0.825 or OEM - JDM GC8 WRX/STi RA Version 3-6


    02 JDM WRX
    1st - 3.166
    2nd - 1.882
    3rd - 1.296
    4th - 0.972
    5th - 0.738
    reverse - 3.333
    Final drive ratio - 4.444
    Last edited by Bu11dogg2; 06-30-2011 at 04:39 PM.

  2. #2
    2.2L
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    Default

    Post 3 here has more info... and better info from what I've researched regarding the few contradictions.

    http://forums.nasioc.com/forums/show....php?t=1689781

  3. #3
    Founding Father/SCS Original
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    Default

    Is there wrong info in the op?

  4. #4
    2.2L
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    08+ WRX 5th
    Spec B final drive

  5. #5
    Founding Father/SCS Original
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    updated

  6. #6
    Wagon subaru_crazy's Avatar
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    98 forester offroad

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    what about the 1.8l?
    99 30th Ann 5spd wagon

  7. #7
    Founding Father/SCS Original
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    not really a "perfromance" transmission

  8. #8
    2.2L
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    02 JDM WRX/my wagon:
    1st - 3.166
    2nd - 1.882
    3rd - 1.296
    4th - 0.972
    5th - 0.738
    reverse - 3.333
    Final drive ratio - 4.444


  9. #9
    3.0TT method's Avatar
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    2008 OBP WRX 5-Door

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    2014 Ford Focus ST ... Previous: 2008 WRX, Stg II, CRUCIAL, P&L, TXS T-Back, RCE Tarmac 2, Dunlop Z1

  10. #10
    SUPER MOD jwebsta32's Avatar
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    2008 Z06

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    That list that method posted needs to be updated real bad

  11. #11
    3.0TT method's Avatar
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    2008 OBP WRX 5-Door

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    I'll get on that.
    2014 Ford Focus ST ... Previous: 2008 WRX, Stg II, CRUCIAL, P&L, TXS T-Back, RCE Tarmac 2, Dunlop Z1

  12. #12
    Founding Father/SCS Original
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    updated with 2008-10 WRX models

  13. #13
    3.0TT
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    is this the thread i posted the old subes gear ratios in?
    Woops. disappearing act..
    oh wait subaru has no woops, it has bankrupt and kill consumers.

    edit this one too.

  14. #14
    Founding Father/SCS Original
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    updated with forester models

  15. #15
    Gaddis, The Seraphinwolf's Avatar
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    06/07' STi FD is still wrong... 3.54 like the WRX.
    -Gaddis, The Man Who Can't Make Up His Mind...
    "I am not such a fool as I look.", Plato to his desciples.
    "It's not that I'm so smart. It's that I stay with problems longer.", Albert Einstein.

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