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Old 07-06-2017, 01:25 PM   #1
Asianjimmy
Scooby Newbie
 
Member#: 295386
Join Date: Sep 2011
Chapter/Region: South East
Location: st. pete fl
Vehicle:
2003 Impreza wrx
Rally blue

Default Jdm ej205 avcs swapped 03 wrx

Alright i know there a lot of threads about this swap. But i have done the swap on my 03 wrx with the motor not sure what version it came with drive by wire on the intake. I changed the i take manifold and my accessories to usdm. After that i dropped the motor in. After sitting for a hole year my car started right up using a usdm ecu and no avcs wired up. Now i believe im having crankcase pressure build up and its pushing oil past the cam gear seals. (Thats where it looks likes its coming from) after getting the car started i went for a test drive it has my td04l on it instead of the THseries turbo. Im not getting past 5 psi on my gauge and i believe my bov is stuck because it doesnt blow off its an rfb 50/50 i believe. I hear compressor surge instead of the bov. Now sitting at idle it is high than normal and it sounds like i have ghost cams due to not having tgvs since the motor came with deletes. Other than idle i dont lose any power just except can build full boost it drove perfectly fine without a tune. But i do have some issues and wondering if you guess have an idea on how to fix some of them.
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Old 07-09-2017, 05:54 PM   #2
Angry04WRX
Scooby Newbie
 
Member#: 377703
Join Date: Jan 2014
Chapter/Region: South East
Location: Knoxville, TN
Vehicle:
2004 WRX
Java Black Pearl

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Get a tune. Because it has AVCS and a USDM ECU the AVCS is not functioning so the cams are stuck in their "less aggressive" state and will have different airflow than the USDM ej205, tgv deletes will add to that need. The other issues seem somewhat unrelated but you need a tune.

After swapping mine in, getting a tune, and driving it for about a year I believe I had high crank case pressure also, I could see where it seeping out, after putting in the JDM ECU and running avcs I don't seem to have that issue now but I also have a craford AOS now so I don't know..
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Old 07-09-2017, 08:58 PM   #3
Asianjimmy
Scooby Newbie
 
Member#: 295386
Join Date: Sep 2011
Chapter/Region: South East
Location: st. pete fl
Vehicle:
2003 Impreza wrx
Rally blue

Default

Quote:
Originally Posted by Angry04WRX View Post
Get a tune. Because it has AVCS and a USDM ECU the AVCS is not functioning so the cams are stuck in their "less aggressive" state and will have different airflow than the USDM ej205, tgv deletes will add to that need. The other issues seem somewhat unrelated but you need a tune.

After swapping mine in, getting a tune, and driving it for about a year I believe I had high crank case pressure also, I could see where it seeping out, after putting in the JDM ECU and running avcs I don't seem to have that issue now but I also have a craford AOS now so I don't know..
Found the reason for the oil leak. Looks like whoever over in japan had the motor or whoever it was that replaced em used the wrong gaskets on the valve cover. So now im searching for jdm valve cover gaskets and it aint easy finding em. Was hoping i might find em locally.
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Old 07-10-2017, 07:43 PM   #4
jaxscuby
Sammo Hung
Moderator
 
Member#: 10613
Join Date: Sep 2001
Chapter/Region: South East
Location: S Ga / N Fla
Vehicle:
2002 USDM WRX
WRB

Default

rallispec should be able to get the valve cover gasket
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