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Old 04-18-2013, 05:20 AM   #1
WelDun1
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Give me all your info..NOW!!!! haha

So I'm taking the advice of a fellow NASIOC member, and starting this thread.
Since the other thread is strictly for the cool guys with Ver7+ ej207's, lol, I thought I'd give us OG ej207 guys a thread to shred!
I am currently in the process of a Ver5 STi Type-R swap. It was almost a Ver6 RA ltd, but the price was just right with the Type-R. Click HERE to Peep The Swap
Anyways, I am trying to dig up as much useful info as I possibly can on these pioneer ej207's.

-What kind of power can they handle stock?
-What mods are required to hit 300hp?
-400hp?
-Max hp you got with your builds.
-What are the weak points?
-What are the best beginning mods?

One of the main things I would love to have is the actual SPECS of the engine, are they all the same?
STi vs Type-R/RA,
Useful Part#'s ect...

Click HERE to Download the NEW JDM GC8 PARTS CATALOG


Also, I would like to hear your experiences with your ver5/6 build, and hear some tips/pointers on what to do or not do when approaching a certain point in the build.
Comparisons of different brands of parts and which ones you prefer. Best websites to get certain parts, and where to find those "Hard to Find" Parts. Basically, I'm fishing for it all so that I can make the most out of this build. This is the 2nd one i've owned, and I've rebuilt a Ver6 before, but just the engine with OEM parts. I've never done a complete swap like RYAN23, AMS Mike, or DEVILTEG, and I've seen SIMER's fresh ass build with the 20g shortblock and all of his Ver5 RA parts to complete it, and there are just so many legit builds on these Forums, so it would be sweet if I could get all ur 2Cents, maybe make a Dollar. Haha stupid I know.

So here it is... Hopefully we can get some useful info together to make all of our experiences better!

Last edited by WelDun1; 07-23-2013 at 07:24 PM.
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Old 04-18-2013, 08:49 PM   #2
WelDun1
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EJ207


The EJ207 has an 8.0:1 compression ratio.

To identify a 9/99-9/2000 EJ207

wasted spark coil pack off center of manifold
inlet under manifold
red intake manifold
Open deck block
Shim under
Forged pistons
Cast rods?

1998.0 9 : Impreza WRX & Impreza WRX STi 5 [Type-F] The Impreza WRX gets an improved PHASE-2 engine with brand new intake manifold and camshafts to realize improved low-end and mid-range response. It also adopts inverted strut suspension, Sports ABS(STi), and WRC car type rear spoiler(STi sedan). Horsepower 280PS/6500rpm torque 34.5Kg-m/4000rpm (WRX, WRX Type-RA) Horsepower 240PS/6000rpm torque 31.5Kg-m/4000rpm (wagon) 1998.11 : The limited edition version was introduced.

1999.09 : Impreza WRX & Impreza WRX STi-6 [ Type G ] There were some minor changes only. It is equipped with a clutch start system. Horsepower 280PS/6500rpm torque 34.5Kg-m/4000rpm (WRX & WRX Type-RA) Horsepower 240PS/6000rpm torque 31.5Kg-m/4000rpm (wagon) 1999.11 : The limited edition version was introduced.

2000.04 : The Impreza S201 STi version was released. The S201 STi features an exclusive ECU tune, large size intake duct, exclusive exhaust muffler, exclusive aero parts, RAYS alloy wheels, front helical LSD, and an adjustable suspension.

I've heard that the STi RA Cams are more aggressive compared to the regular STi. If anyone can confirm that, it would be great. I think on SIMERS build page, he said that they have a "IN 242, EX 248] [BIG intake ports] [sodium filled EX valves]"
And I know that FujiK has done a thread on the heads, FujiK's Ver6 Head Port Gallery and they definitely are the BIG PORT heads. Is this just the Ver6? Or both 5&6?

Also, does anyone know if there is a difference between the Type-R & RA? Besides Sedan & Coupe

"Version 6 STi has a Open deck block, a VF28 ball bearing turbo, Yellow top Side feed injectors, Big port heads and some very trick forged pistons. They also have the same very unreliable MAF as the Ver 5 and 99 RS." -Scoobie Steve

Wire diagrams for JDM GC8 and JDM GDA/B all RHD.

One file is Ver5 specific, and its from a Link Possum Manual.
Another file shows you what color specific wires should be.
And then the one that everyone needs atleast once in their Subaru Career, The compete Impreza Wire Diagrams to 2.0 NA, 2.5 NA, and the almighty 2.0 Turbo!

http://www.type-ra.com/pdf/WRX-V5.pdf

http://www.type-ra.com/pdf/Subaru Wiring Guides.pdf

http://www.type-ra.com/pdf/Subaru Im...ng diagram.pdf

Last edited by WelDun1; 07-23-2013 at 07:24 PM.
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Old 04-18-2013, 09:11 PM   #3
WelDun1
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From NorthUrsalia.com

STi Version V
:
The Version 5 sees an upgrade on the exterior- a new front bumper is notable, with slightly larger fog lamps and new turn signals, plus the characteristic front brake vent holes. The rear spoiler becomes much larger, with a more effective airfoil design. The front grill now protrudes over the front bumper by about an inch, offering a more aggressive looking front end. All body parts (mirrors, trim strips, etc.) are color-coded to the body paintwork (on all but the Type R/RA models). A new, multifaceted headlamp design is adopted.

Notes or Special Features:

-4-sensor 4-channel ABS

-Front strut tower bar
-Carbon Fiber strut tower bar (Type R/RA)
-STi engine and intercooler
-Forged Pistons
-Competition clutch (Type R/RA)
-STi ECU (Type R/RA)
-Positive gear shift
-Inverted mono-tube strut suspension
-4-pot front brake calipers
-2-pot rear brake calipers (Type R/RA).
-Center differential with viscous LSD and rear Suretrac LSD (WRX)
-DCCD (Driver controlled center differential) and rear mechanical LSD (Type R/RA)
-Intercooler water spray (Type R/RA)
-Roof ventilator (Type R/RA)
-15:1 Power Steering (13:1 Type R/RA)

Form Code : GC8-GF8

Length/Width/Height (mm) 4,350/1,690/1,405

Interior
Length/Width/Height (mm)
1,800/1,385/1,17



Wheel base (mm) 2,520

Track (F/R)
1,470/1,460

Ground Clearance (mm) 155 (145 Type R/RA)

Weight (kg) 1,270 (1,210 Type R/RA)

Engine Form:

Horizontally-opposed EJ20


Engine Type:

turbocharged 4 cylinder Displacement (cc) 1,994 Max. Horsepower (hp/rpm) 278/6500

Torque (lb-ft/rpm)50/4000

Fuel Capacity (gallons) 15.9

Transmission 5MT

Brakes (F/R) Vented Disc/Vented Disc

Tires 205/50R16

Gear Ratios

First- 3.166 (3.083 Type R/RA)

Second- 1.882 (2.062 Type R/RA)

Third- 1.296 (1.545 Type R/RA)

Fourth- 0.972 (1.151 Type R/RA)

Fifth- 0.738 (0.825 Type R/RA)

Reverse- 3.333

Final Drive- 4.444

STi Version VI
The Version 6 bears little physical change from the Version 5. It gains a front lip spoiler that is color-coded to the body color, a slightly more aggressive pitch to the airfoil on the rear spoiler, and 6-spoke gold alloys that shave and extra half-pound off the weight of the previous 5 spoke wheel. The STi black/red/gray alcantara interior is retained.

Last edited by WelDun1; 05-01-2013 at 03:01 AM.
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Old 04-20-2013, 11:35 AM   #4
Lurk
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The RA meant "Race Altered" and it was a Light weight WRX. It had less bells and whistles so it was more affordable.NO...foglamps, boot spoiler, underseal or radio, air conditioning, or electric windows. A majority of the sound deadening material was romoved too. RA engines prior to 1996 had a closed-deck block, after they went to semi-closed block. Doing a 99 WRX RA engine build for my 03 WRX wagon. Thanks for all the info WelDon1
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Old 04-21-2013, 06:57 AM   #5
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Quote:
Originally Posted by Lurk View Post
The RA meant "Race Altered" and it was a Light weight WRX. It had less bells and whistles so it was more affordable.NO...foglamps, boot spoiler, underseal or radio, air conditioning, or electric windows. A majority of the sound deadening material was romoved too. RA engines prior to 1996 had a closed-deck block, after they went to semi-closed block. Doing a 99 WRX RA engine build for my 03 WRX wagon. Thanks for all the info WelDon1
Have to correct on this, "RA engines prior to 1996 had a closed-deck block, after they went to semi-closed block."

In between 1996 Ver2 and up to 2001 Ver7, all Type RA, R and STI had open deck blocks.
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Old 04-21-2013, 03:45 AM   #6
WelDun1
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SUBARUJDM IDENTIFICATION NUBERS

The 7 digit "applied model" code found on the vehicle identification plate inside theengine bay is decoded in the following way.
1.Series code
G=Impreza
S=Forester
B=Legacy etc.
2.Body type
F=Wagon
C=Sedan
3.Engine type
8=2.0L Turbo
4.Year code
A=MY93
B=MY94
C=MY95&96
D=MY97 (facelift)
E=MY98
F=MY99
G=MY00
5.Number of doors
2=2 door coupe
4=4 door saloon
5=5 door wagon/hatch
6.Model type
8=WRX
7=RA type
E=Sti
D=Sti TypeR & RA
7.Transmission
D=5 Speed Manual AWD
P=4 Speed Automatic AWD

Dates
Model of Impreza
Applied Model
Option Codes
Enginetype
Power (PS)
Shift type
Transmission Type
Comment

09/98-08/99
WRX type R STi Version 5
GC8F2DD
BG BL
EJ207DW1PR
280
Manual
TY754VB1CA

WRX type R STi Version 5 Limited
GC8F2DD
280
Manual
Special edition

WRX type R Limited
GC8F27D
280
Manual
Special edition

WRX
GC8F48D
EG EC EL ED
EJ207DW1KE
250
Manual
TY754VBAA

WRX type RA
GC8F47D
XE DL
EJ207DW1KE
280
Manual
TY754VB1BA

WRX STi Version 5
GC8F4ED
EG EL
EJ207DW1PR
280
Manual
TY754VBAAA

WRX type RA STi Version 5
GC8F4DD
XN WN
EJ207DW1PJ
280
Manual
TY754VB1CA

WRX type RA STi Version 5 Limited
GC8F4DD
280
Manual
Special edition

WRX WAGON
GC8F58D
MG MC ML MD
EJ205DW1KE
250
Manual
TY754VB1AA

WRX WAGON
GF8F58P
MG MC ML MD
EJ205DX1KE
Auto
TV1A2YB7AA

WRX STi WAGON Version 5
GC8F5ED
MG ML
EJ207DW1PR
280
Manual
TY754VBAAA


Ver6 is basically the same but ...
GC8G
Ej207DW2PR
280

Last edited by WelDun1; 04-21-2013 at 04:06 AM.
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Old 04-21-2013, 07:14 AM   #7
Gyver
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Quote:
Originally Posted by WelDun1 View Post
Give me all your info..NOW!!!! haha

So I'm taking the advice of a fellow NASIOC member, and starting this thread.
Since the other thread is strictly for the cool guys with Ver7+ ej207's, lol, I thought I'd give us OG ej207 guys a thread to shred!
I am currently in the process of a Ver5 STi Type-R swap. It was almost a Ver6 RA ltd, but the price was just right with the Type-R. Click HERE to Peep The Swap
Anyways, I am trying to dig up as much useful info as I possibly can on these pioneer ej207's.

-What kind of power can they handle stock?
Not much, 350-370 bhp tops.

Quote:
Originally Posted by WelDun1 View Post
-What mods are required to hit 300hp?
Remap, bigger exhaust and a good panelfilter. Might need a walbro 255lph fuelpump also.

Quote:
Originally Posted by WelDun1 View Post
-400hp?
New shortblock internals, mainly new rods and bearings. But aftermarket pistons would be a wise investment. ARP headstuds also.

Quote:
Originally Posted by WelDun1 View Post
-Max hp you got with your builds.
Right now i've got 325-330 bhp, but it's ready to cope with 450 bhp.

Quote:
Originally Posted by WelDun1 View Post
-What are the weak points?
The rods don't like high revs accompanied with more horsepower, makes the nuts holding the big end rattle loose and you've got rodknock.
They've got open deck block so max safe hp is about 450.

Quote:
Originally Posted by WelDun1 View Post
-What are the best beginning mods?
Maffless ecu, 3" exhaust, aftermarket intakehose and conefilter, larger capacity fuelpump, highpressure oilpump, NGKPFR7B sparkplugs, Organic clutch.

Quote:
Originally Posted by WelDun1 View Post
One of the main things I would love to have is the actual SPECS of the engine, are they all the same?
STi vs Type-R/RA,
Useful Part#'s ect...
Yeah, they are the same if they are from the same version.
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Old 04-21-2013, 11:31 AM   #8
Modollenroc
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When swapping into an 01 rs could I just use WRX p/s pump and lines as well as throttle cable and intake hose to MAF sensor.
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Old 04-21-2013, 11:46 AM   #9
FuJi K
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If it was me, i would just do a usdm WRX ecu/harness running the ver6 longblock. If looking for more strength you should up the rods and pistons. If you don't want to pay a premium for the JDM engine, a built USDM WRX 2L with gutted intake ports will work the same.

Ver5/6 are big ports whether WRX or STi. Impreza GT in Europe with an EJ205 engine runs the same big port heads. It's not STi exclusive
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Old 04-21-2013, 03:42 PM   #10
WelDun1
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Quote:
Originally Posted by FuJi K View Post
If it was me, i would just do a usdm WRX ecu/harness running the ver6 longblock. If looking for more strength you should up the rods and pistons. If you don't want to pay a premium for the JDM engine, a built USDM WRX 2L with gutted intake ports will work the same.

Ver5/6 are big ports whether WRX or STi. Impreza GT in Europe with an EJ205 engine runs the same big port heads. It's not STi exclusive
I was thinking about running the 205 harness with my Ver5 Type-R.
You can get the USDM 03 harness @ WRX USA for $350. Their swaps are fairly cheap as well. I just couldn't pass up this Type-R tho. It's in so good of condition, and only One owner with 40k on it! And I got the whole car minus the rear sheet metal.
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Old 04-21-2013, 11:50 AM   #11
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Quote:
Originally Posted by FuJi K View Post
If it was me, i would just do a usdm WRX ecu/harness running the ver6 longblock. If looking for more strength you should up the rods and pistons. If you don't want to pay a premium for the JDM engine, a built USDM WRX 2L with gutted intake ports will work the same.
Too late, I'm already in this swap neck deep. I regret not going with the 205 I haven't driven my car for over 2 months. Nevertheless, I have the APEXi power FC and fmic (Arizona gets 125 degrees in summer) a 205 swap would be much less of a headache and cheaper. I let the mechanic talk me into what's "better"
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Old 04-21-2013, 04:06 PM   #12
FuJi K
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Not to rave but, after knowing about what all is out there, it brought me to by current build.

-'06 usdm WRX TR swap ecu/harness immobilizer; AVCS D25 heads
-built '91 EJ22T (Stroker currently in progress with thrust bearing conversion)
-'04 JDM DCCD 6spd
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Old 04-21-2013, 05:15 PM   #13
WelDun1
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Quote:
Originally Posted by FuJi K View Post
Not to rave but, after knowing about what all is out there, it brought me to by current build.

-'06 usdm WRX TR swap ecu/harness immobilizer; AVCS D25 heads
-built '91 EJ22T (Stroker currently in progress with thrust bearing conversion)
-'04 JDM DCCD 6spd
I will probably get some Ver9 heads eventually, but for now, I am going to try and build this ver5 ej207. I'm not just after maximum HP, I'm looking to be around 400whp, and I want to make it look good. I think making these engines look good is just as hard as creating HP.
So you are running a 91 ej22t with a 06 ECU/harness and heads? Wasn't the.drive by wire hard to wire in? I will probably be asking you a few Q's throughout my build. Thanx for your input! Much appreciated!
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Old 04-21-2013, 05:18 PM   #14
FuJi K
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Make a mount for the Gas pedal, and go!
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Old 04-23-2013, 12:58 AM   #15
WelDun1
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Quote:
Originally Posted by FuJi K View Post
Make a mount for the Gas pedal, and go!
Yeah, that's another thing I have to figure out. Mounting the pedals from my clip to my shell. I'm following RYANS 00 STi Ver6 Type-R Swap instructions on the firewall swap, by drilling out the spot welds instead of cutting the whole panel out. It's so much easier, and doesn't require much welding skills.
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Old 04-23-2013, 06:45 AM   #16
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You're going to do the RHD conversion too?
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Old 04-25-2013, 03:12 AM   #17
WelDun1
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Quote:
Originally Posted by FuJi K View Post
You're going to do the RHD conversion too?
Yes I am.
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Old 05-01-2013, 03:21 AM   #18
WelDun1
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More info Please!!!
I want Specs ect...
Can I use the USDM Bugeye ej205 head gasket on my ej207dw1pr?(Ver5)
Also does anyone know which water pump has the "Cast Turbine"? There's an ARTICLE ON EJ ENGINES in Import Tuner.com, and guys from Crawford, AMR, & Yimi share some very helpful info on building a ej motor, and one of the Mech's from Crawford talks about how certain Water Pumps with Cast Turbines flow more water than an OEM, bcuz water gets through the blades. I think its great how they talk about all the Forum Mechanics that think they know it all, and spread bad info! Awesome! I can name a few.....
Anyways, if anyone is doing a ver5/6 ej207 build, PLEASE, share your stories, including you Screw Ups, along with your helpful tips!

Last edited by WelDun1; 05-01-2013 at 03:46 AM.
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Old 05-01-2013, 10:39 AM   #19
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Quote:
Originally Posted by WelDun1 View Post
More info Please!!!
I want Specs ect...
Can I use the USDM Bugeye ej205 head gasket on my ej207dw1pr?(Ver5)
Also does anyone know which water pump has the "Cast Turbine"? There's an ARTICLE ON EJ ENGINES in Import Tuner.com, and guys from Crawford, AMR, & Yimi share some very helpful info on building a ej motor, and one of the Mech's from Crawford talks about how certain Water Pumps with Cast Turbines flow more water than an OEM, bcuz water gets through the blades. I think its great how they talk about all the Forum Mechanics that think they know it all, and spread bad info! Awesome! I can name a few.....
Anyways, if anyone is doing a ver5/6 ej207 build, PLEASE, share your stories, including you Screw Ups, along with your helpful tips!
I purchased a full engine rebuild kit for my MY00 V6 from http://rallispec.com/ there is a PDF document that you can get part numbers for your specific year STI also Dave is very well versed in STI he can answer any of your questions.

http://rallispec.com/new%20catalog_gc8JDM.pdf

Last edited by Devilteg; 05-01-2013 at 10:40 AM. Reason: Link to GC parts list
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Old 05-05-2013, 01:39 AM   #20
WelDun1
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Quote:
Originally Posted by Devilteg View Post
I purchased a full engine rebuild kit for my MY00 V6 from http://rallispec.com/ there is a PDF document that you can get part numbers for your specific year STI also Dave is very well versed in STI he can answer any of your questions.

http://rallispec.com/new%20catalog_gc8JDM.pdf
Thanx bro, I have that catalogue, just don't know how to order from it. Which Dave are you talking about?
**EDIT** NM, ur talking about Dave from Rallispec. Didnt catch that at first.

Last edited by WelDun1; 05-18-2013 at 01:11 PM.
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Old 05-01-2013, 09:33 AM   #21
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i know most of the gasket fits the ej207 from the ej205. I haven't tried the head gasket, ive replace valve cover, intake manifold gasket, spark plug seal, tb gasket. But i am assuming the HG work as well.. they got similar compression ratios i believe

most stuff u can use from the ej205 motor.
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Old 05-01-2013, 10:29 AM   #22
FuJi K
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Quote:
Originally Posted by WelDun1
More info Please!!!
I want Specs ect...
Can I use the USDM Bugeye ej205 head gasket on my ej207dw1pr?(Ver5)
Also does anyone know which water pump has the "Cast Turbine"? There's an ARTICLE ON EJ ENGINES in Import Tuner.com, and guys from Crawford, AMR, & Yimi share some very helpful info on building a ej motor, and one of the Mech's from Crawford talks about how certain Water Pumps with Cast Turbines flow more water than an OEM, bcuz water gets through the blades. I think its great how they talk about all the Forum Mechanics that think they know it all, and spread bad info! Awesome! I can name a few.....
Anyways, if anyone is doing a ver5/6 ej207 build, PLEASE, share your stories, including you Screw Ups, along with your helpful tips!
you can use USDM WRX EJ205 gaskets on your ver5 engine longblock.

Cast water pump wheel? '02 WRX.... We have no issues running the regular steel fin water pump revving all the way to 9000RPMs.
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Old 05-05-2013, 01:45 AM   #23
WelDun1
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Quote:
Originally Posted by FuJi K View Post
you can use USDM WRX EJ205 gaskets on your ver5 engine longblock.

Cast water pump wheel? '02 WRX.... We have no issues running the regular steel fin water pump revving all the way to 9000RPMs.
Yes, I'm talking about the wheel. Instead of having blades, its a solid cast turbine. Check out the Article I posted the link to. The guys from Crawford talk about it being one of their trade secrets. I think I trust the word backed by CRAWFORD haha its a great article on the +/- of the ej engine, and some very respectable tuners give their 2Cents.
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Old 05-18-2013, 12:21 PM   #24
ShinjiML
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I also got a V5 EJ207, however, the piston appear to be CAST
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Old 05-18-2013, 12:51 PM   #25
WelDun1
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Quote:
Originally Posted by ShinjiML View Post
I also got a V5 EJ207, however, the piston appear to be CAST
Wow, I've heard ppl say it, its just hard to believe. Not saying you are lying, but if you look in the JDM parts catalog, it says that all Ver5/6 STi ej207 are forged. I would be pissed if I found out that I had Cast pistons! Did you remove the pistons themselves, or did you look at them while still installed? Thanx for sharing.

Last edited by WelDun1; 05-18-2013 at 12:57 PM.
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