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Thread: So WHAT IF..... Sport Shift in a 1999 GT

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    It has been suggested to me to do a whole Baja Turbo swap; Engine, Turbo, Sport Shift 4EAT and all.

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    I don't think it was ever clearly answered in this thread, but to answer conclusively... the Sport Shift feature on Baja and 3rd-gen Legacy is exclusive to specific 4EAT Phase 2, Version 1 transmission assemblies with a special Sport Shift solenoid. It might be possible to add this solenoid and the harness to connect it to the valve body, or replace the valve body altogether with one from a Sport Shift enabled 4EAT:
    https://forums.nasioc.com/forums/sho...0#post44777410
    Quote Originally Posted by 4eat05
    While looking for 4eat info trying to see which cars had 4eat phase 2 version 1 and which had phase 2 version 2, I came across some diagrams showing the difference in valvebodies. Some phase2 version 1 diagrams showed and extra (SPORT shift) solenoid that the non sportshift valvebody did not have, but looked like tgere is a spot for the missing solenoid.

    Seems you MIGHT be able to add the SPORTshift solenoid to your valvebody then change trans internal harness w extra plug for solenoid and phase2ver1 ss tcu. Or use phase2 ver1 sportshift valvebody/harness and corresponding tcu. Plus of course ss shiftee. Idk if it will work w.o steering wheel buttons hooked up or gear indicator display not hooked up.

    But it seems you should be able to convert phase2ver1 non sportshift to sportshiftusing correct phase2 versiin1 4eat sportshift parts. Def can not use phase2vrrs2 stuff unless car originally had phase2version2 4eat.

    Google image 4eat phase ii version I and look for diagrams of valvebody. Most show where sportshift solenoid can go and empty space on non spirtshift valvebidy
    2003-2006 Subaru Baja Turbo and 2003-2004 Subaru Legacy GT Sport Shift 4EAT Automatic Transmission Codes:

    TV1B4YCEAB Part Number: 31000AF030 Subaru Legacy GT 2.5L Subaru Baja 2.5L TURBO S/S 4WD T 2003
    http://parts.subaru.com/p/AUTOMATIC-...1000AF030.html

    TV1B4MHFAA Part Number: 31000AG060 Subaru Baja 2.5L TURBO S/S 4WD T 2004
    http://parts.subaru.com/p/Subaru__/A...1000AG060.html

    TV1B4YCFAB Part Number: 31000AF730 Subaru Legacy 2.5L S/S 4WD GT Sedan Wagon Limited Sedan 2004
    http://parts.subaru.com/p/Subaru__/A...1000AF730.html

    TV1B4YCFBB Part Number: 31000AF760 Subaru Legacy 2.5L S/S 4WD GT Sedan Wagon Limited Sedan 2004
    http://parts.subaru.com/p/Subaru__/A...1000AF760.html

    TV1B4MB5AB Part Number: 31000AF950 Subaru Legacy 2.5L TURBO S/S 4WD BAJA-B PICK UP 2005, 2006
    http://parts.subaru.com/p/Subaru__/A...1000AF950.html
    Last edited by camroncamera; 05-25-2017 at 04:24 AM.

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    I chimed in on an old NASIOC thread on Sport Shift. My hopes of a straightforward Sport Shift transmission swap into my '98 BK were crushed when it was explained to me that the Phase 1 Engine & ECU will not talk to the Phase 2 Transmission and TCU.
    However, '99 Legacy owners could take advantage of their transition year and probably make it work with their Phase 1.5 Engine/ECU and Phase 2 Tranny/TCU:
    https://forums.nasioc.com/forums/sho...1#post45129590

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    What is the difference between the '98 Legacy ECU for Phase 1 EJ25D, and the '99 Legacy ECU for Phase "1.5" EJ25D? If they are interchangeable, then maybe the Sport Shift TCU could be made to work in pre-'99 Legacy 2.5's?

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    My JDM Sport Shift assembly arrived today, It's pretty nice! So anyway I talked to the transmission shop just before closing, they took it for a test drive and agreed with my symptoms, which they described as "weird" haha. Tomorrow they'll take off the pan and have a look inside for metal bits. Seems like it could be a parking gear issue.





    Last edited by camroncamera; 05-22-2017 at 01:59 AM.

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    Reserved for bookmarks:

    User wtdash discusses Sport Shift for WRX on NASIOC:
    https://forums.nasioc.com/forums/sho....php?t=2693422

    User Setnev discusses Phase I to Phase II electronics conversion:
    http://legacygt.com/forums/showthrea...on-258372.html

    User RE3Rotor's 04 FXT:
    VTD and Sportshift discussion
    http://www.subaruforester.org/vbulle...ml#post4261642

    Pins for ECU/TCU Modules:
    http://www.mouser.com/ProductDetail/...GtMP60RShWAA==

    The epic Harness Merge thread on RS25:
    http://www.rs25.com/forums/f128/t141...e-harness.html

    Power Mode discussion for Phase 2 Transmissions, also includes useful downloads of TCU pinouts/diagnostics:
    http://www.subaruoutback.org/forums/...ower-mode.html

    Online wiring diagrams:
    http://www.rs25.com/forums/f105/8821...-solved-9.html
    Last edited by camroncamera; 05-28-2017 at 03:59 AM.

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    I was hoping to pioneer a Phase 2 Sport Shift into a Phase 1 Legacy, but I could only have the transmission shop stall for so long while I researched transmission harness wiring diagrams. They rebuilt my factory transmission and it wasn't cheap. The car is ready to pick up today. I did have them install the JDM Sport Shift gear selector, but I'll have to install an aftermarket TCU at a later date to enable manual shift features.

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    Well 2 LEGT is finally back on the road:


    Original TZ-series Phase 1 4EAT transmission rebuilt
    (EDIT: It's not the same case, the bellhousing code is different than original code).

    New differential clutch packs (there's going to be a bit of chatter in tight turns for a few hundred miles until they break in), solenoid assembly, banner kit, pump assembly, CV axle shaft, TransGo RE4R01A-HD2 Stage 2 Performance Shift Kit, new torque converter, and new external transmission cooler:
    https://www.summitracing.com/parts/t...Reviews=Newest




    They put in my JDM Sport Shifter using my adapter harness for regular automatic gear selection:


    Mark, the transmission shop owner/head tech, was pleased that the harness worked plug-and-play perfectly:


    Clearly I need to come up with a better shifter surround, I'm thinking a bit of black neoprene. For now I've got a bit of black gaffer tape to cover the edges of the shifter. It looks awful, but hopefully not for long:


    Later this summer I'll look into the Forced Four shift box setup and put the Sport Shift gate and JDM Sport Shift steering wheel to actual use:
    http://www.forcedfour.com/smart100_1.htm

    Last edited by camroncamera; 06-03-2017 at 08:05 PM.

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    Quote Originally Posted by camroncamera View Post
    Well 2 LEGT is finally back on the road:


    Original TZ-series Phase 1 4EAT transmission rebuilt
    (EDIT: It's not the same case, the bellhousing code is different than original code).

    New differential clutch packs (there's going to be a bit of chatter in tight turns for a few hundred miles until they break in), solenoid assembly, banner kit, pump assembly, CV axle shaft, TransGo RE4R01A-HD2 Stage 2 Performance Shift Kit, new torque converter, and new external transmission cooler:
    https://www.summitracing.com/parts/t...Reviews=Newest




    They put in my JDM Sport Shifter using my adapter harness for regular automatic gear selection:


    Mark, the transmission shop owner/head tech, was pleased that the harness worked plug-and-play perfectly:


    Clearly I need to come up with a better shifter surround, I'm thinking a bit of black neoprene. For now I've got a bit of black gaffer tape to cover the edges of the shifter. It looks awful, but hopefully not for long:


    Later this summer I'll look into the Forced Four shift box setup and put the Sport Shift gate and JDM Sport Shift steering wheel to actual use:
    http://www.forcedfour.com/smart100_1.htm



    I am trying to swap a jdm https://m.ebay.com/itm/JDM-02-05-SUB....c100890.m2460 trans in my forester and I was wondering how you swaped the sport shifter.

    I'm hoping the one from a baja is plug and play. Which wires did you have to merge or did you run new wires to the tcu?

    In hoping I can swap that trans into my 04 fxt, baja tcu and a baja sport shifter and get the vtd in there too.

    How is your legacy and have you installed the stuff to get the gear selection?

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