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Beta Realistic EJ Engine Pack (4 Engines, 11 Configs, Parts, Sounds) 1.3.1

Nothing like blown ringlands in the morning

  1. LionsTheBoss
    Realistic EJ Engine Pack


    This Mod Adds:


    2.0L EJ207 B4 STI Engine - This is the cool Japanese STI engine the Americans never got - Famous for it's great reliability and power potential with simple bolt-ons

    2.5L EJ257 B4 STI Engine - If it weren't for California's strict emissions laws, this engine wouldn't exist - Suffers from ringland and head gasket failure at ~100,000mi - Makes good power though

    2.0L EJ205 B4 WRX Engine - This is the Japan only lower end version of the EJ207 engine - Makes similar power to the EJ207 with a simple bolt-on VF37 STI turbo

    2.5L EJ255 B4 WRX Engine - The detuned WRX version of the US EJ257 - Makes a lot of power with bolt-ons - Suffers the same high piston tolerance reliability issues with the EJ257


    JDM VF37 Twin-Scroll STI Turbo - Makes good high and low end power - Found on the JDM V8-V9 Impreza STIs - Good for up to 450whp

    USDM VF48 JB STI Turbo - Makes good low end power, starts to fall off in the high end - Good for around 400whp

    MHI TD04L-13T JB WRX Turbo - Makes good low end power, starts to fall off near 7500rpm - Found in both US and JDM WRXs - Good for around 300whp

    Cobb 20G BB Turbo w/ Tial 38mm EWG - Makes solid low end and high end power - Great choice for any EJ build - Good for around 450whp

    Blouch Dominator BB 3.5XT-R Turbo w/ Tial 38mm EWG - A pretty beast of a turbo, makes great low end and high end power - Will easily push 650whp in EJ engines

    Garrett GTX4508R SHO Turbo w/ Tial 44mm EWG - An absolute monster turbo, capable of pushing a STI engine to nearly 1000whp

    Engine Internals:

    Manley Forged Internals - Great for engines pushing 400+whp

    Lightweight Forged Internals - Great for builds pushing 650+whp

    Billet Racing Internals - Great for builds pushing 1000+whp


    Available STI Camshaft for WRX Motors - Increases top end power and reduces valve float at high rpms

    Aggressive Racing Cam - Increases top end power - Reduces valve float all the way up to 9200rpm

    Super Aggressive Racing Cam - EJ207 only - Allows for 9600rpm


    Cobb Accessport - Allows adjustments to be made with boost and other engine parameters


    Stock STI Flywheel - Gets the job down on
    launches, revs enough

    Stock WRX Flywheel - Thing is a little difficult to launch, heavier than STI Flywheel

    ACT StreetLite Flywheel - This thing is pretty light, revs pretty damn quick

    ACT ProLite - Super fast revving low momentum flywheel, need big power to get the wheels spinning from a stop


    USDM 6-Speed STI Manual Transmission (MY 01-07)

    USDM 6-Speed STI Manual Transmission (MY 08-20)

    USDM 5-Speed WRX Manual Transmission (MY 02-07)

    USDM 5-Speed WRX Manual Transmission (MY 08-14)

    USDM 6-Speed WRX Manual Transmission (MY 15-20)

    JDM Spec-C STI 6-Speed Manual Transmission

    JDM STI 6-Speed Manual Transmission

    JDM 5-Speed WRX Manual Transmission

    6-Speed STI Sequential Transmission

    6-Speed STI Dual-Clutch Transmission

    Race 6-Speed STI Dual-Clutch Transmission

    Transfer Cases:

    STI Transfer Case (MY 01-07)

    STI Transfer Case (MY 08-20)

    WRX Transfer Case (MY 01-07)

    RWD Transfer Case - This doesn't exist, please don't make a RWD Subaru please

    Final Drives:

    3.90:1 STI Rear Final Drive

    3.90:1 WRX Rear Final Drive (MY 02-05 & 08-14)

    3.70:1 WRX Rear Final Drive (MY 06-07)

    4.11:1 WRX Rear Final Drive (MY 15-20)

    JDM 4.44:1 WRX Rear Final Drive


    STI Limited Slip Rear Differential

    WRX Limited Slip Rear Differential

    WRX Open Front Differential


    The "Nightmare" - Japan's most feared street car

    JDM 2.0RS Spec-C STI - A special edition of the JDM sti, sporting 400whp, race suspension, and sticky tires

    Offroad STI - Good for yeeting across big canyon gaps
    The Zuckerberg Special - This thing is right off of Facebook Marketplace and ready to rip
    The STI - It's a head turner when you say you own one

    JDM Pro Rally - An absolute machine on rally stages, Colin McRae would approve
    JDM Amateur Rally - Solid basic rally build ran by many private rally teams

    JDM 2.0RS STI - A very quick Japanese sports car
    JDM 2.0RS WRX - A great bang for your buck sports car
    USDM 2.5RS STI - A great track ready sports car and grocery getter
    USDM 2.5RS WRX - A great value sports car that'll give your neighbors Carrera a run for its money

    Future Plans:

    Get an engine model prepared (please help me)

    Adds more parts

    Fine tune some of the turbo values

    Figure out how to make a equal length header in-game


    1. screenshot_2020-06-21_20-04-05.png
    2. screenshot_2020-06-21_19-55-49.png
    3. screenshot_2020-06-21_19-58-39.png
    4. screenshot_2020-06-21_20-08-36.png

Recent Reviews

  1. mrwallace888
    Version: 1.3.1
    Really cool, though for one of the configs, the USDM 2.0 STI, it won't upshift in first gear when using Arcade transmission.

    Don't know if any other configs do it. Haven't tried them.
    1. LionsTheBoss
      Author's Response
      Yeah I'm aware of this, I'll see if I can fix this in the next update. I think it has something to do with the vehicle controller being coded to shift up at an RPM higher than redline on the USDM STIs
  2. BathroomSign
    Version: 1.3.1
    Great Mod makes me think of my uncle
    1. LionsTheBoss
      Author's Response
      That's awesome, I'm sure you guys have lots of fun together
  3. Pungpig2
    Version: 1.2.1
    1. LionsTheBoss
      Author's Response
      Thank you!
  4. please reply :)
    please reply :)
    Version: 1.2.0
    1. LionsTheBoss
  5. Stylefilter
    Version: 1.2.0
    Could you replace the engine sounds with the old Hirochi SBR4 boxer?
    i don't know why the developers didn't keep that in the game. The air-cooled Piccolina sound does not fit a SBR4 or this Subaru.
    Would be nice to bring that old boxer sound back!
    1. LionsTheBoss
      Author's Response
      The old sounds weren't very high quality, but new sounds are actually fairly solid.

      Turns out the Piccolina and the SBR4 actually use the same sound config "B4_2_engine_rear" but the sound properties are just slightly changed.

      I'll play around with it to get the right sound for EJs with UEL headers... But you're right, the Piccolina sounds are a bit too aggressive and the SBR sound a bit dull. I'll find somewhere in the middle.

      Thank you, I honestly thought the SBR was a B6 didn't think about this before haha
  6. danielmcunha
    Version: 1.0.0
    Very great, but why dont you use the SBR boxer engine with the EJ25 specs?
    1. LionsTheBoss
      Author's Response
  7. Manchu
    Version: 1.0.0
    Finally a good flat 4 mod for the Sunburst! I'm excited to see what's in the works with the custom model and tweaked sounds.
    1. LionsTheBoss
  8. Deleted User 987435132
    Deleted User 987435132
    Version: 1.0.0
    It's good addition for Sunburst. But I think it would be nice to have some parts included in the future!
    1. LionsTheBoss
      Author's Response
      Thank you! There's already a fairly good selection of real life parts, and I plan to add more. As well as possibly adding injector sizes too.
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