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broknindarkagain

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Posts posted by broknindarkagain

  1. 4EAT

    under construction

     

    The 4EAT is the only automatic transmission available in the BD, BG, and BK Legacys. "EAT" stands for "Electronic Automatic Transmission".

     

    The 4EAT was released in 1988 for use in the Subaru XT6 and Leone Touring Wagon. In 1989 when the EJ engine was released, the bellhousing was changed to accept the newer engine, but for the most part the transmission stayed the same.

     

    The 4EAT has been used in the following Subaru models :

    88 - 91 Subaru XT

    90 - 04 Subaru Legacy

    92 - 97 Subaru SVX

    95 - present All Subarus

     

    The 4EAT design has been shared with a few other manufactures as well. Jatco designed the 4EAT, and has allowed Nissan, Ford, and Kia to use the same or very simular designs.

     

     

    Gear Ratios

    1st - 2.785

    2nd - 1.545

    3rd - 1.000

    4th - 0.694

    reverse - 2.272

     

    Final drive ratios vary depending on year and model. The majority of final drive ratios are 4.11

     

     

    Common 4EAT Problems & Solutions

    Torque Bind

    This is probably the most common 4EAT problem. This is the transmission getting stuck in a 50/50 power split now allowing for slippage in the center diff. Its usually caused by a faulty Duty C solenoid, however can sometimes be cured with a few "drain and fills"
  2. 5MT

     

    There have been several variations of the 5MT. Between 1990 and 1995 model years, only the turbo vehicles (USDM Legacy Turbo) had a hydraulic clutch. 1995 and later, every 5MT had a hydraulic clutch that used either DOT3 or DOT4 brake fluid. In 1998, Subaru changed from a push type clutch to a pull type. Minor bell housing changes were needed to make this happen, but transmissions are still interchangeable with each other.

     

    The 5MT uses a 50/50 torque split.

     

     

    5MT

    Used in pretty much all Subarus from 1995 - 2002 including the WRX)

    1st : 3.785

    2nd : 1.945

    3rd : 1.500

    4th : 0.994

    5th : 0.780 - 0.735 WRX

    Final Drive : 4.11 - 3.90 WRX

     

    1996 Exception

    1st : 3.545

    2nd : 2.111

    3rd : 1.448

    4th : 1.088

    5th : 0.825 (FWD) - 0.780 (AWD) - 0.871 (Outback AWD)

    Final Drive : 3.454 (FWD) - 3.900 (AWD) - 4.111 (Outback AWD)

     

    5MT Revised

    This transmission is used in all non-turbo Subarus 2003 - present

    1st : 3.454

    2nd : 2.062

    3rd : 1.448

    4th : 1.088

    5th : 0.871

    Rev : 3.545

     

    5MT Turbo

    This transmission is used in all 5MT Subaru turbo cars 2003 - present

    1st : 3.166

    2nd : 1.882

    3rd : 1.296

    4th : 0.972

    5th : 0.738

    Rev : 3.545
  3. Maintenance

     

    4EAT

    Fluid Type : Dexron III

    Total Capacity : 10 Quarts

    Refill Capacity : 2.6 Quarts

    Service Interval : 30,000 miles

    Serviceable Filter : YES

     

     

    5MT

    Fluid Type: Subaru Special S 75W-90 GL5

    Capacity : 3.7 Quarts

    Serviceable Filter : NO

     

     

    6MT

    Fluid Type: Subaru Special S 75W-90 GL5

    Capacity : 4.3 Quarts

    Serviceable Filter : NO

     

     

    Front Differential (4EAT ONLY)

    Fluid Type: Subaru Special S 75W-90 GL5

    Fluid Capacity : 1.3 Quarts

     

     

    Rear Differential

    Fluid Type : Subaru Special S 75W-90 GL5

    Capacity : 0.85 Quarts

     

     

    Clutch

    Fluid Type : DOT3 or DOT4 fluid

  4. Transmission FAQ

     

    Here in this thread you will find important information regarding second generation Legacy transmissions and different performance options that are available.

     

     

     

    Disclaimer:

    The information in the following posts is believed to be acurate and correct. The author(s) can not be held responsible for any advise in these guides. Please exercise common sense while working on your vehicle and never hesitate to ask questions if you're unsure of anything.
  5. How do i take the cams off of the engine????

     

    Very carefully.

     

    How do I get the head bolts loose. They are REALLY tight.

     

    Get a pope. Use the power of God

     

    What is the word?

     

    Everyone has heard about the word! The bird is the word!

     

    Why don't cannibals eat clowns?

     

    Because they taste funny

     

    I love boobies.

     

    We all do

  6. Its not something you would be able to tune yourself. You would be best coming down to Atlanta for a day and visiting Topspeed for a dyno tune.

     

    There is A LOT to tuning a car. Spark advance, duty cycle, a/f ratios, etc. I've spent endless hours researching about it and tinkering around with the stand alone in my sedan, and I'm still not really to the point where I could tune a car from scratch.

     

    I'm not sure about wiring with a piggyback. I know that with the stand alone that I run, I have a 100% custom wiring harness and NONE of the stock sensors. I think that a piggy back that is specifically made for our cars is almost a plug and play thing....but I may be wrong.

     

    Your car would be much better if it were tuned...even in stock form. OEM tunes are geared more towards economy then performance. The EJ25D is 165chp stock....I'm sure it could push 200chp, maybe even a little more if it were tuned a little more on the performance side.

     

    Getting a piggyback or stand alone will open up the door for a lot of mods too. I know you have talked about cams before....guess what, cams will be almost useless unless you tune your car for them.....even a cold air intake is close to useless until you tune the car for it. Tuning lets you get the most out of whatever mods.

  7. My e-mails with Rallitek

     

    Do you guys still make the rear sway bar for the 96 - 99 Legacy? Item #40-1002

     

    I had heard a rumor that you guys won't be supplying them anymore and I wanted to find out if this were true because I had plans on ordering one soon.

     

    Thank you

    John

     

    You can still order one....

     

    Call 800-444-6473 and a Rep can put a kit together.

     

    Thank you

     

     

     

    Chris Delano

    CEO Assistant & Projects Manager

    ipd

    P: 503-257-7500 x 148

    F: 503-257-7596

    E: chris@ipdusa.com

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