• Tech
    • Tech Category
      • Engine
      • Bottom End
      • Rods and Pistons
      • Head and Headwork
      • Cams and Valvetrain
      • Cooling and Heat Management
      • Intake
      • Headers and Exhaust
      • Rotary
      • Engine Management and Tuning
      • Drivetrain
      • Transmission
      • Clutch and Flywheel
      • Differential and Final Drive
      • Driveshaft and Axle
      • Axles
    • Tech Category
      • Suspension
      • Shocks and Coilovers
      • Springs
      • Swaybars
      • Arms and Links
      • Bushings
      • Steering
      • Geometry Correction
      • Suspension Setup and Tuning
      • Brakes
      • Wheels and Tires
      • Fueling
      • Forced Induction and NOS
      • Aerodynamics
    • Tech Cat
      • Electrical
      • Battery and Power Distribution
      • Electronics
      • Wiring
      • Electrical System Education and Troubleshooting
      • Lubrication
      • Interior and Controls
      • Exterior
      • Paint and Bodywork
      • Wraps and Film Protection
      • Exterior Care and Maintenance
      • Data Acquisition and Tuning
      • Fabrication and Safety
      • Tips and How-To
  • Projects
    • Make A-D
      • Acura
      • Integra (DC2)
      • NSX
      • CSF RSX (DC5)
      • BMW
      • E30 (SR20 Powered)
      • E36 323is
      • E36 M3 (Black)
      • E36 M3 (Silver)
      • E39 M5
      • E46 M3
      • E90 M3
      • E46 Racecar
      • Yost Auto E92 M3
      • Yost Auto F82 M4
      • Chevrolet
      • Camaro Gen5
      • Corvette Stingray (C7 Z51)
      • Corvette Stingray (C8 Z51)
      • GMC Canyon
      • Dodge
      • Viper GTS
    • Make E-I
      • Ford
      • E350 Tow Rig
      • F150 EcoBoost
      • Fiesta ST
      • Focus ST
      • Mustang 5.0 (Grey)
      • Mustang 5.0 (White)
      • Mustang S197 (Budget Track Car)
      • Mustang S550 GT
      • Honda
      • Civic EF Racecar
      • Civic Si (Coupe)
      • Civic Si (EP3)
      • Civic Si (Saloon)
      • EJ Civic
      • Polystrand CRX
      • S2000 (AP1)
      • S2000 (AP2)
      • Infiniti
      • G20 Racecar
      • G20 (P10 AWD Turbo)
      • G35
      • G37S
    • Make J-M
      • Isuzu
      • Vehicross
      • Lexus
      • ISF
      • SC300
      • Mazda
      • V8 RX7 (3rd Gen)
      • RX-7 (3rd Gen)
      • RX-7 Restomod (3rd Gen)
      • Skyactiv 3
      • Frankenmiata
      • Miatabusa
      • My Girlfriend’s Miata
      • Mitsubishi
      • EVO VIII
      • EVO IX
      • EVO X
      • CSF EVO X Racecar
      • Professional Awesome EVO VIII
    • Make N-P
      • Nissan
      • 200SX
      • 200SX SE-R
      • 240SX Land Speed Racer
      • 300ZXTT
      • 350Z
      • 350Z Drift Car
      • 370Z
      • GT-R (R33)
      • GT-R (R35)
      • GT-R (Team America BNR32)
      • LS S13
      • NX GTi-R
      • Pathfinder
      • S13 Drift/Grip Do-it-All Mega 240
      • Sentra SE-R
      • Sentra Spec V
      • Silvia
      • STurdteen Drift Car
      • Porsche
      • 991 GT3RS
      • Cayman (987)
    • Make S-Z
      • Scion
      • FR-S
      • Scion Tuner Challenge FR-S
      • TC
      • Subaru
      • Autocross BRZ
      • Legacy GT
      • STI (gen 2)
      • STI (gen 3)
      • WRX (GD)
      • WRX (VA)
      • Toyota
      • 4Runner
      • Starletabusa
      • Supra Mark IV
      • Tundra
      • Tacoma
      • Volkswagen
      • MKIV Jetta TDI
      • MKVI Golf TDI
      • MKVII Golf R
      • Sipster (Rabbit)
    • Other Projects
      • Powersports
      • Aprilia RS50
      • Aprilia SR50
      • Doodlebug
      • Ducati 998
      • Ducati Hypermotard
      • Honda Ruckus
      • Husqvarna TE610
      • Go Karts
      • Other
      • Sim Racer
      • Aurora Cobra
      • Garage
      • NP01 Prototype
  • Features
    • Features
      • Feature Cars
      • Drag Race Cars
      • Drift Cars
      • Land Speed Cars
      • Open-Wheel Cars
      • Rally Cars
      • Road Race Cars
      • Street Cars
      • Time Attack Cars
      • Drag Racing
    • Features
      • Events
      • Drifting
      • Land Speed Racing
      • Open-Wheel Racing
      • Time Attack Racing
      • Rally Racing
      • Road Racing
      • Car Shows
      • Columns
      • SlipAngle Podcast
  • Video
  • MotoIQ Garage Services
  • The Drift League
  • Pro Services
  • Industry Partners
  • About
  • Shop
  • For Sale
  • MotoIQ Garage Services
  • The Drift League
  • Pro Services
  • Industry Partners
  • About
  • Shop
  • For Sale
MotoIQ
MotoIQ
  • Tech
    • Tech Category
      • Engine
      • Bottom End
      • Rods and Pistons
      • Head and Headwork
      • Cams and Valvetrain
      • Cooling and Heat Management
      • Intake
      • Headers and Exhaust
      • Rotary
      • Engine Management and Tuning
      • Drivetrain
      • Transmission
      • Clutch and Flywheel
      • Differential and Final Drive
      • Driveshaft and Axle
      • Axles
    • Tech Category
      • Suspension
      • Shocks and Coilovers
      • Springs
      • Swaybars
      • Arms and Links
      • Bushings
      • Steering
      • Geometry Correction
      • Suspension Setup and Tuning
      • Brakes
      • Wheels and Tires
      • Fueling
      • Forced Induction and NOS
      • Aerodynamics
    • Tech Cat
      • Electrical
      • Battery and Power Distribution
      • Electronics
      • Wiring
      • Electrical System Education and Troubleshooting
      • Lubrication
      • Interior and Controls
      • Exterior
      • Paint and Bodywork
      • Wraps and Film Protection
      • Exterior Care and Maintenance
      • Data Acquisition and Tuning
      • Fabrication and Safety
      • Tips and How-To
  • Projects
    • Make A-D
      • Acura
      • Integra (DC2)
      • NSX
      • CSF RSX (DC5)
      • BMW
      • E30 (SR20 Powered)
      • E36 323is
      • E36 M3 (Black)
      • E36 M3 (Silver)
      • E39 M5
      • E46 M3
      • E90 M3
      • E46 Racecar
      • Yost Auto E92 M3
      • Yost Auto F82 M4
      • Chevrolet
      • Camaro Gen5
      • Corvette Stingray (C7 Z51)
      • Corvette Stingray (C8 Z51)
      • GMC Canyon
      • Dodge
      • Viper GTS
    • Make E-I
      • Ford
      • E350 Tow Rig
      • F150 EcoBoost
      • Fiesta ST
      • Focus ST
      • Mustang 5.0 (Grey)
      • Mustang 5.0 (White)
      • Mustang S197 (Budget Track Car)
      • Mustang S550 GT
      • Honda
      • Civic EF Racecar
      • Civic Si (Coupe)
      • Civic Si (EP3)
      • Civic Si (Saloon)
      • EJ Civic
      • Polystrand CRX
      • S2000 (AP1)
      • S2000 (AP2)
      • Infiniti
      • G20 Racecar
      • G20 (P10 AWD Turbo)
      • G35
      • G37S
    • Make J-M
      • Isuzu
      • Vehicross
      • Lexus
      • ISF
      • SC300
      • Mazda
      • V8 RX7 (3rd Gen)
      • RX-7 (3rd Gen)
      • RX-7 Restomod (3rd Gen)
      • Skyactiv 3
      • Frankenmiata
      • Miatabusa
      • My Girlfriend’s Miata
      • Mitsubishi
      • EVO VIII
      • EVO IX
      • EVO X
      • CSF EVO X Racecar
      • Professional Awesome EVO VIII
    • Make N-P
      • Nissan
      • 200SX
      • 200SX SE-R
      • 240SX Land Speed Racer
      • 300ZXTT
      • 350Z
      • 350Z Drift Car
      • 370Z
      • GT-R (R33)
      • GT-R (R35)
      • GT-R (Team America BNR32)
      • LS S13
      • NX GTi-R
      • Pathfinder
      • S13 Drift/Grip Do-it-All Mega 240
      • Sentra SE-R
      • Sentra Spec V
      • Silvia
      • STurdteen Drift Car
      • Porsche
      • 991 GT3RS
      • Cayman (987)
    • Make S-Z
      • Scion
      • FR-S
      • Scion Tuner Challenge FR-S
      • TC
      • Subaru
      • Autocross BRZ
      • Legacy GT
      • STI (gen 2)
      • STI (gen 3)
      • WRX (GD)
      • WRX (VA)
      • Toyota
      • 4Runner
      • Starletabusa
      • Supra Mark IV
      • Tundra
      • Tacoma
      • Volkswagen
      • MKIV Jetta TDI
      • MKVI Golf TDI
      • MKVII Golf R
      • Sipster (Rabbit)
    • Other Projects
      • Powersports
      • Aprilia RS50
      • Aprilia SR50
      • Doodlebug
      • Ducati 998
      • Ducati Hypermotard
      • Honda Ruckus
      • Husqvarna TE610
      • Go Karts
      • Other
      • Sim Racer
      • Aurora Cobra
      • Garage
      • NP01 Prototype
  • Features
    • Features
      • Feature Cars
      • Drag Race Cars
      • Drift Cars
      • Land Speed Cars
      • Open-Wheel Cars
      • Rally Cars
      • Road Race Cars
      • Street Cars
      • Time Attack Cars
      • Drag Racing
    • Features
      • Events
      • Drifting
      • Land Speed Racing
      • Open-Wheel Racing
      • Time Attack Racing
      • Rally Racing
      • Road Racing
      • Car Shows
      • Columns
      • SlipAngle Podcast
  • Video
0

STI (gen 2)

38 posts
View Post
  • STI (gen 2)
  • Projects
  • Subaru

IAG’s New Easy Plug and Play Drive By Wire Big Throttle Body for the EJ257.

  • Posted on August 4, 2022August 5, 2022
  • byMike Kojima
We previously had gotten an IAG Performance big throttle body for Project STI, although it was a nice piece it was not exactly user-friendly.  You had to get the drive-by-wire…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI, Out with the Old and in with the New!

  • Posted on August 2, 2022August 3, 2022
  • byMike Kojima
It is time for us to swap out our damaged EJ257 and install our IAG 700 engine.  We spent a lot of time waiting on parts to finish the job,…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

WATCH: Subaru Engine Swap Must Have Parts!

  • Posted on May 20, 2022
  • byJeff Naeyaert
  If you’re building a high performance Subaru engine there’s a lot of parts and accessories to consider buying or upgrading while you’re in there. In this video Mike explains…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Nightmotorsport Air Oil Separating Billet Valve Covers for Subaru EJ Engines

  • Posted on April 26, 2022April 28, 2022
  • byMike Kojima
Subarus like all flat engines, blow a lot of oil out of the crankcase in their blowby gasses.  This is always a problem with performance flat engines like Porsche or…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Freeing up the EJ257 Intake Flow with Process West and IAG

  • Posted on April 24, 2022
  • byMike Kojima
We were planning to run a Cosworth intake manifold on Project STI’s IAG motor but we were unable to find one for a decent price as they have been discontinued…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Cutting Big Weight From Project STI With AntiGravity Batteries and MeleDesign Firm

  • Posted on April 17, 2022
  • byMike Kojima
While we are going through Project GD STI, repowering it and upgrading many of its systems, we thought it would be nice to replace the car’s heavy AGM battery with…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI, Getting Ready For the Engine Swap

  • Posted on January 30, 2022
  • byMike Kojima
In our previous articles, we covered the build-up of our EJ257 engine collaboration with IAG Performance.  Now we have been collecting a bunch of parts to make our installation go…
View Post
  • WRX (GD)
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI, IAG’s new high capacity EJ Oil Pump!

  • Posted on November 28, 2021
  • byMike Kojima
IAG has just dropped their Stage 1 and Stage 2 oil pumps for all EJ engines.  We will be using their Stage 2 pump on our own Project GD STI.…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

WATCH: How to Solve Your Subaru Fueling Problems. The Right Way!

  • Posted on November 19, 2021
  • byJeff Naeyaert
  In this video Mike explains the shortcomings of the stock Subaru fuel system and how to fix it the right way. This fuel system is capable of supporting up…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

WATCH: Fix Subaru Oiling Issues for Good!

  • Posted on October 22, 2021
  • byJeff Naeyaert
  In this video Mike talks about yet another shortcoming of the Subaru EJ engine and probably the best way to fix it! If you liked the video, please subscribe…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Solving Subaru EJ Oiling Issues for Good with IAG Performance!

  • Posted on October 19, 2021
  • byMike Kojima
Subaru EJ engines are known to have oiling problems caused by the oil pan and pick up.  We personally know quite a few people who have lost engines on the…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

WATCH: The Best Clutch Money Can Buy? XClutch Twin Disc

  • Posted on October 9, 2021
  • byJeff Naeyaert
  We recently noticed a new clutch brand to us that’s been gaining popularity in the time attack crowd. In this video Mike takes a look at the XClutch twin…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project GD Subaru STI, High Power Fuel System Upgrades!

  • Posted on October 3, 2021
  • byMike Kojima
When last tuning our STI with Cobb’s flex-fuel system, we had maxed out our Mass Air Flow Meter, fuel pump and had our injectors going at the maximum duty cycle…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project GD Subaru STI, Checking out the Ultimate Streetable Clutch with XClutch.

  • Posted on July 18, 2021July 29, 2021
  • byMike Kojima
With our killer engine by IAG now sitting in our shop, it was time to start gathering the peripheral components needed to support our new motor.  The next thing absolutely…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project GD Subaru STI, Building the Engine Part Five: Final Engine Assembly With IAG.

  • Posted on June 20, 2021
  • byMike Kojima
In our last story, you saw how IAG Performance assembled our short block with meticulous care. Now our engine travels to the second of IAG’s two cleanrooms for final assembly.…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project GD Subaru STI, Building the Engine Part Four: Assembling the Short Block With IAG.

  • Posted on June 13, 2021
  • byMike Kojima
If you have been following our EJ257 engine build series with IAG Performance, you have been able to look inside IAG’s incredible attention to detail in machining and parts selection. …
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project GD Subaru STI: Building the Engine Part Three, Cylinder Head Technology With IAG Performance.

  • Posted on May 23, 2021June 9, 2021
  • byMike Kojima
The cylinder head is one of the most important parts when it comes to making power in an engine.  Although headwork is less critical in a turbo engine than a…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project GD Subaru STI: Building the Engine Part Two, Bottom End Bits With IAG Performance.

  • Posted on May 2, 2021June 9, 2021
  • byMike Kojima
In part one of our series of building the motor for Project GD STI we talked about the IAG Performance engine cases we are using and all of the prep…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project GD Subaru STI, Building the Engine Part One, Prepping the Case With IAG Performance.

  • Posted on April 13, 2021June 9, 2021
  • byMike Kojima
It had to happen eventually.  Our Project STI was running great.  We had plans to build the engine as our 400 whp was past the limit that a stock bottom…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Project Subaru GD STI, Improving The Ignition System!

  • Posted on September 19, 2019September 24, 2019
  • byMike Kojima
Nowadays it is hard to improve the ignition on late model cars.  New car ignitions, especially ones with coil on plug systems are more powerful from the factory than racing…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

The Dreaded Subaru p0011 and p0021 DTC Codes, Don’t Let Them Wreck Your Turbo!

  • Posted on August 29, 2019December 4, 2019
  • byMike Kojima
So DO NOT do what we did when our Project GD STI turned on a p0011 OBD DTC code.  What we figured was some sort of sensor issue ended up…
View Post
  • STI (gen 2)
  • Projects
  • Subaru

Comparing the Falken RT615 to the RT615K Plus!

  • Posted on January 22, 2019January 23, 2019
  • byMike Kojima
The Falken RT615 has always been a good all-around Ultra High Performance dry weather tire with decent durability.  Good enough to be daily driven and good enough for the track.  The…
anti theft radio decal sticker
View Post
  • STI (gen 2)
  • Projects
  • Subaru

A Fake Stereo Cover For Your Stereo

  • Posted on September 14, 2018October 9, 2018
  • byMike Kojima
While we typically focus on performance products, many of us daily drive our cars and enjoy the everyday essentials like your stereo.  Like most essential enhancements, we’ve upgraded our Project Subaru WRX STI stock radio to a Pioneer 7-inch double din display.  And with any nice stereo comes with the anxiety of getting your car broken into for stereo theft.
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI: Making the Front of the Car Stiffer with Ultra Racing

  • Posted on August 29, 2017July 2, 2018
  • byMike Kojima
Project GD STI: Making the Front of the Car Stiffer with Ultra Racing by Mike Kojima   In the last installment of Project STI, we had greatly increased the chassis…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI: Getting Rid of Chassis Flex with Cusco

  • Posted on August 25, 2017July 2, 2018
  • byMike Kojima
Project GD STI: Getting Rid of Chassis Flex with Cusco by Mike Kojima   The GD STI/WRX had what was considered to be a very stiff chassis when it was first…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI: Making More Power with Cobb Tuning and Precision Turbo Part 2!

  • Posted on July 31, 2017July 2, 2018
  • byMike Kojima
Project GD STI: Making More Power with Cobb Tuning and Precision Turbo Part 2! by Mike Kojima   When we last left off with Project GD STI, we had just…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Testing Radium Engineering’s Advanced Self-Draining Catch Can!

  • Posted on April 5, 2017July 2, 2018
  • byMike Kojima
Testing Radium Engineering's Advanced Self-Draining Catch Can! by Mike Kojima Having proper crankcase ventilation is critical on a performance engine, especially forced induction ones that have more blowby past the rings…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI: Getting More Power with Precision Turbo and Cobb Tuning! – Part 1

  • Posted on December 1, 2015July 2, 2018
  • byMike Kojima
Project GD STI: Getting More Power with Precision Turbo and Cobb Tuning! – Part 1 by Mike Kojima Our STI has been driving around as a daily for two years…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI – Checking Out The Development of KW’s New 3-Way Adjustable Clubsport Coilovers

  • Posted on March 5, 2013July 3, 2018
  • byMike Kojima
Project GD STI- Checking Out The Development of KW's New 3-Way Adjustable Clubsport Coilovers By Mike Kojima   A few months ago we visited KW Suspensions' factory in Germany to…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI – Improving the Fuel System with Injector Dynamics and Other Details

  • Posted on December 9, 2012May 20, 2019
  • byMike Kojima
Project GD STI – Improving the Fuel System with Injector Dynamics and Other Details By Mike Kojima When we had last left off on Project STI’s engine, we had just…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI- Getting it Slowed Down with Stoptech

  • Posted on October 29, 2012July 3, 2018
  • byMike Kojima
Project GD STI- Getting it Slowed Down with Stoptech By Mike Kojima The Subaru GD STI comes with pretty good brakes from the factory, big Brembo 4 piston front and…
View Post
  • Tech
  • STI (gen 2)
  • Projects
  • Subaru

Project GD STI- Keeping Cool with Greddy and Koyo!

  • Posted on October 1, 2012July 3, 2018
  • byMike Kojima
Project GD STI- Keeping Cool with Greddy, Cobb and Koyo! By Mike Kojima At this stage in the modding of Project STI's engine, it is time for us to lay…

Subscribe

Get our Newsletter and Win Stuff!

Input your search keywords and press Enter.