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 ratbug
A.k.a.: Andrew Todd
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aka toddy101
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| posted on July 10th, 2011 at 03:54 PM |
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Subaru 2001-2007 conversions
Just wondering how many people are using the later model subie engines?
After doing about 10 looms for 94-2000 subaru motors, and destroying my engine big end at wakefield, I decided to upgrade to a 2003 WRX engine,
computer and loom etc. Taking it on as the next challenge.
There is a fair bit of extra stuff in the later model:
Two 02 sensors (one before and one after the cart)
Exhaust gas temp sensot (EGT)
Fuel pressure, temp and level inputs
Variable speed fuel pump
Variable cam timing (some models)
Variable intake
cruise control (i started to cut out out but then thought might as well keep it in)
The one thing that attracted me to the later model stuff is the computer is flash tunable and has OBDII. I already have an ECUDATASCAN and the laptop
programming cable that I use on my 08wrx, and its all compatible with the 03.
I have just about got my heads around everyhting and started chopping the loom up.
Problem I still have is the factory immobiliser, it has a RFID type thing in the key, which interracts with a black box and then talks two wires to
the ECU, no key = no start. Trying to get hold of the matching key, otherwise might have to swap the ECU for a jap one without the immobiliser
integration.
Took a few photo's today hooking power up on the floor to test with Ecudatascan and romraider.
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STIDUB
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Over it.
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| posted on July 10th, 2011 at 04:00 PM |
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heeey your the guy with the bugtech in the buggy?
thought i recognised that screen in the pic, handy bit of gear hey?
perhaps amauto might be able to help you trick the ecu without the key...
not sure but they should have a decent idea, that or a subie shop near you has surely worked it out, if not im sure they can supply a jdm ecu to plug
in 
Volkswagen Drivers Club of Queensland - member 
STIDUB - yep its still a work in progress
Vwdcq club car racing/ and crashing while my bug isn't finished.
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seagull
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| posted on July 10th, 2011 at 07:06 PM |
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Hi Andrew, I am running the same motor in my Gen 2 liberty
I ditched the late loom and I am running a V3 sti loom with a RA V3 ecu. It has adjustable cam gears ( I made these ) and I fitted a V3 throttle body.
Cams are Jun 264 jobs with the VF34 turbo & a remote IDC valve.
PS you must fit the killa B sump baffle plate & oil pick up in this motor ! I come back with the link
+ one for you to do this wiring
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seagull
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| posted on July 10th, 2011 at 07:08 PM |
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http://www.killerbmotorsport.com/index_files/PartsList.htm
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ratbug
A.k.a.: Andrew Todd
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| posted on July 10th, 2011 at 09:37 PM |
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Ahh that looks the goods Neil!
I was running the bug@5speed sump, but now that I am putting the subie box in I need to use something that can use the stock engine mounts.
Also you might know, I am building up the new engine with the legacy closed dock block and 2002 wrx crank, rods and heads. Thinking of putting some
forged pistons in, but not sure which ones to get, the early model ones to suit the block with the bigger skirt and the 4 vlave recesses, or the later
model ones with the square recess.
STIDUB: Nah bugtech isnt mine. Good news about the key, contacted the guy I bought the engine/loom from and he has found the key for me!
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seagull
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| posted on July 10th, 2011 at 11:48 PM |
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Andrew the late model crank are rear thrust. The RS/ early wrx / legacy cranks are center thrust. what is the ( MY02 ) crank you have there ?
you will need a pistons that have correct oil control rings fitted other wise you will just have on going oil issues when you throw the car
around.again the sump baffels & a Number 12 oil pump is a must have !
Can you post a photo of the crank and the rods you have there for me. I have some 207 STI / 2.5 257 sti rods here I dont need. If yours are less
quality I would rather send these ones to you. while I am on this subject if you have to machine the crank to make it center thrust I would get a 2.5
ltr crank and built a 2.1ltr, you will need rods & pistons, but its a better end result ( should you have a after market ecu fitted ) if you are
running a stock ecu with this build keep it 2ltr. I am guessing this is for the buggy ?
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ratbug
A.k.a.: Andrew Todd
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aka toddy101
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| posted on July 11th, 2011 at 10:58 PM |
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Hi Neil, thanks for the reply, Yes you are correct on the thrust bearing, looks like I didtnt see that one. The other option I may have is machine the
block so it can accept the thrust bearing on #5. Or just get my early model crank reground.
I may take you up on the sti rod offer! I am keeping the stock ecu, however being the later model, its flash tunable. Yeah this is for the buggy.
Also a side note, I went to the reconidtioners today, he started on the 02wrx heads, but found a few hairline cracks around the sparkplug holes,
However pressure tested really well and were in good nick otherwise, thought it would be a writeoff untill I just did a bit of net research, looks
like it's a very common problem on the 02/03 heads. Bit of a mixed reaction as to wether they are throw aways or not, but most people say that if
they pressure test ok, use them and that people have put them back on and never had a drama with them. A lot of people probably are driving around
with cracks in them and wouldnt even know.
Beginning to dislike this engine rebuild idea... No wonder i like the wiring side of things better 
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Jak Rizzo
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| posted on July 12th, 2011 at 09:00 AM |
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G'day Andrew
Please please take that sump off & make your own.
regards
Jak
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1303Steve
A.k.a.: Steve Carter
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| posted on July 12th, 2011 at 10:29 AM |
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Hi
Most Subaru places can match the key up with the ECU.
Steve
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mackaymanx
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| posted on July 12th, 2011 at 01:06 PM |
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That is an expensive process, Subaru wants $386 for the key + cutting + $55 workshop fee to flash the ECU. At those prices if you don't have a key a
JDM ecu looks cheap.
Quote of the week
"Do I wish to send them to you again, nope, no interest can't be bothered really, to much hassle for little or no return."
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1303Steve
A.k.a.: Steve Carter
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| posted on July 12th, 2011 at 02:21 PM |
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| Quote: | Originally
posted by mackaymanx
That is an expensive process, Subaru wants $386 for the key + cutting + $55 workshop fee to flash the ECU. At those prices if you don't have a key a
JDM ecu looks cheap.
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thats only if your a retail smuck
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ratbug
A.k.a.: Andrew Todd
Wolfsburg Wizard
aka toddy101
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| posted on July 12th, 2011 at 06:29 PM |
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| Quote: | Originally
posted by Jak Rizzo
G'day Andrew
Please please take that sump off & make your own.
regards
Jak
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Hey Jak, yeah going to have to, The alloy sump wont fit with the stock engine mounts which I need to use with the subie box. The other good thing (in
a way) of using the subie box is the engine will sit higher, so ground clearance isnt as much of an issue.
More good new today, looks like my crank out of the 02 can be used with thrust bearing on no.3 OR no.5.
Sooo subaru can change it by reflashing, thats means i can too, sounds like a challenge, too bad I am getting the matching key. I might experiment
with it for interests sake.
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seagull
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| posted on July 12th, 2011 at 07:30 PM |
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| Quote: | Originally
posted by ratbug
Hi Neil, thanks for the reply, Yes you are correct on the thrust bearing, looks like I didtnt see that one. The other option I may have is machine the
block so it can accept the thrust bearing on #5. Or just get my early model crank reground.
I may take you up on the sti rod offer! I am keeping the stock ecu, however being the later model, its flash tunable. Yeah this is for the buggy.
Also a side note, I went to the reconidtioners today, he started on the 02wrx heads, but found a few hairline cracks around the sparkplug holes,
However pressure tested really well and were in good nick otherwise, thought it would be a writeoff untill I just did a bit of net research, looks
like it's a very common problem on the 02/03 heads. Bit of a mixed reaction as to wether they are throw aways or not, but most people say that if
they pressure test ok, use them and that people have put them back on and never had a drama with them. A lot of people probably are driving around
with cracks in them and wouldnt even know.
Beginning to dislike this engine rebuild idea... No wonder i like the wiring side of things better
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Hi Andrew, yes grind the crank to center thrust does it have the extra oil holes in that late crank ?
what side head has the cracks ? I have a left hand side one here ( bear head )
Re the wiring, does the barrel have the black transponder box behind it ?
I thought this was just an earth back to the ecu ??? your area !
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seagull
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| posted on July 12th, 2011 at 07:32 PM |
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Andrew, you machine the crank to center thust & the block says as it is with a STD bearing in the rear
I got this from Tony Knight at Knight racing engines SA
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ratbug
A.k.a.: Andrew Todd
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| posted on July 12th, 2011 at 09:12 PM |
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I put the old crank back in, might just get it reground, i'll leave it to the experts and see what they want to do, although the new crank looks like
it may work, not 100% certain, so hate to be wrong. The thrust clearances seem similar, but dont have the good tools at home to measure accurately.
Every singl cylinder has the cracks.
Yeah I got the barrel with the circular ring around it with a two pin plug coming out, (its apparently just 20 turns of wire), then this two pin plug
plugs into a black box with the mitsubishi symbol and 138khz (guessing its the RF freq of the key) wirtten on it, then this is wired to power, a few
other ancilaries and two pins traced to the ECU.
When I get the key, I might experiment, see if i can see any change in the memory of the ecu with the key in/out. I can still get comms and actuators
on the motor working without the key, I'm guessing maybe it just not fires the injectors or coils or something like that. I get no error codes saying
the key is missing.
How much you want for the sti rods?
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seagull
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| posted on July 12th, 2011 at 09:42 PM |
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Rods are yours, just pay the post mate
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ratbug
A.k.a.: Andrew Todd
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aka toddy101
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| posted on July 12th, 2011 at 10:03 PM |
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No gotta give you something for them... Just transferred you some $$ should more than cover postage! PM'd you my work address...
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seagull
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| posted on July 12th, 2011 at 11:21 PM |
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ok , I will put the amount you PM me in to the kids account.
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seagull
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| posted on July 12th, 2011 at 11:31 PM |
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ok , these are the cam wheels ( centers ) I made in the group buy
If you get a set of late ACVS heads like you late motor you have there. This allows you to use the early wiring harness on the late model heads motor
by fitting a cam angle sensor to the AVCS solenoid outer plate you simply set the air gap to the cam wheel & your away.
My 2.5 made 330HP & 430nm at the wheels ( all 4 ) with a DT06 20g & 272 cams
I have only made these up for a special few people ( yes Reuben is special ) and have a limited number left. To do this we all provided our cam wheels
& I machine out the stock early RS/ WRX cam wheels & drill and tap the holes. They have hardened washers and high tensile cap screws.
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ratbug
A.k.a.: Andrew Todd
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| posted on July 13th, 2011 at 06:24 PM |
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Ohh nice, only thing is my 2002 heads arn't ACVS. Apparently the oz ones didnt come out with AVCS until a bit later, but all jap ones did except for
the forester. I still have the metal cams from the RS motor.
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seagull
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| posted on July 13th, 2011 at 08:52 PM |
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These still fit Andrew, i am running the same heads on my 207
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ratbug
A.k.a.: Andrew Todd
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| posted on August 17th, 2011 at 07:05 PM |
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Got a new toy on the weekend!
A subaru 2004 SG5 Forester Frontcut with 55,000kms. EJ20T with AVCS and fly by wire. I was hoping it would be similar to the wrx, but the ECU wiring
is totally different. All the other components seem the same (apart from the throttle control obviously). I havn't yet been able to get into the maps
of the computer.
I'm rebuilding my old engine with some goodies from the U.S. ordered them just before the exchange rate started to drop.
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seagull
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| posted on August 18th, 2011 at 01:57 AM |
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manual or auto half cut Andrew ?
is the steering rack 2.7 turns lock to lock ?
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ratbug
A.k.a.: Andrew Todd
Wolfsburg Wizard
aka toddy101
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| posted on September 14th, 2011 at 09:42 PM |
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Whoa forgot about this post, it is an auto. Not much use for me, until the idea of an auto grew on me, until I realised there was no easy way i could
get the big heavy lump to fit and make it easy to road register. Steering is more than 2.7, more like 3 and a bit.
Should be getting my reversed subie box back from Todd soon, but still havn't got my engine block back from the machine shop. The forester wiring
loom and engine ecu seem a bit odd-ball.. Might chase a 2003-2004 wrx front loom and make it consistant with the buggy wiring loom.
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seagull
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| posted on September 17th, 2011 at 01:15 PM |
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Mate , I have a MY03 ecu here
6E
22611AH770
1122005161
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