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Old 11-25-2013, 03:05 AM   #1
victork
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Default trying to figure out which ej20 i have(please help)

I recently bought a 02 WRX which has a new motor because the last lost compression in a cylinder from what i was told. The new motor is from Jdm tech inc in florida but i only have the shipping receipt and it says used subaru engine. I called and wasnt able to get much info. Here are the things ive found that may help narrow it down. The timing cover sticker isnt there and i think it has the original oil cap as it says 02 under it.
-front left says ej20
-left side about the middle of the block theres a circle with a line through it like under the oil cap that says 03|7
-right side middle/front says B231231
-valve covers are smooth/dont say dohc or 16v from what i see
-coil packs screwed on at spark plug holes
This is what ive gathered
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Old 11-26-2013, 12:10 AM   #2
victork
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To the top
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Old 11-26-2013, 08:59 AM   #3
rdieder
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take some pics
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Old 11-26-2013, 06:11 PM   #4
victork
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**edit**

Last edited by victork; 11-26-2013 at 09:45 PM.
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Old 11-26-2013, 06:15 PM   #5
victork
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**edit** if more specific pics are needed let me know im very curious to know exactly which ej20 it is.

Last edited by victork; 11-26-2013 at 09:46 PM.
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Old 11-26-2013, 09:32 PM   #6
victork
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Old 11-26-2013, 09:35 PM   #7
victork
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Old 11-26-2013, 09:36 PM   #8
victork
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Old 11-26-2013, 09:37 PM   #9
victork
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Old 11-27-2013, 05:12 PM   #10
victork
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Does anyone atleast no what the number in the circle with a line going through it mean? It looks like the no smoking circle but the line inside isnt slanted, its a flat line through the circle(-). It days 03 on the top and 7 in the bottom.
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Old 11-27-2013, 05:30 PM   #11
OldManRed04
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I'm not sure anyone can gather much from those pictures . I can tell your coolant overflow does appear to be incorrectly hooked up. Why is the line below the radiator cap capped off? Not good. Other than that, looks like a regular wrx engine to me.
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Old 11-27-2013, 05:53 PM   #12
victork
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Not sure but im gonna look in to it!
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Old 11-27-2013, 07:30 PM   #13
alexandern05
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Looks like an ej205 from a 02-05 wrx
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Old 11-27-2013, 08:12 PM   #14
victork
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It says ej20 on the block
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Old 11-27-2013, 08:17 PM   #15
victork
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I only had this car a few weeks and im learning so dont be too critical lol i think a ej205 is a 2.5L?
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Old 11-27-2013, 09:53 PM   #16
BeastianSTI
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Nah, if it says ej25x it's a 2.5. Similarly, if it says ej20x it's a 2.0
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Old 11-28-2013, 02:15 PM   #17
OldManRed04
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Quote:
Originally Posted by victork View Post
I only had this car a few weeks and im learning so dont be too critical lol i think a ej205 is a 2.5L?
No. An ej205 is a 2.0. The block is labeled as ej20 and nothing more. A 2.5l is an ej25.
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Old 11-28-2013, 07:51 PM   #18
victork
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My 97 legacy had a ej25. Is that the same BLOCK as a 2.5 in later year wrx and sti?
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Old 11-29-2013, 11:54 AM   #19
003rex
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Looks like a jdm ej20 with us intake to me? If motor says ej20 its a ej20. You could probably search the engine vin @ auto parts store and see what vehicle it calls for and go from there. The circle with numbers could possibly be man. Date (ex 7th month/year 03) but never looked into that.
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Old 11-29-2013, 02:03 PM   #20
victork
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Quote:
Originally Posted by 003rex View Post
Looks like a jdm ej20 with us intake to me? If motor says ej20 its a ej20. You could probably search the engine vin @ auto parts store and see what vehicle it calls for and go from there. The circle with numbers could possibly be man. Date (ex 7th month/year 03) but never looked into that.
From what i was told it is a jdm ej20 and they put the usdm 02 wrx intake on. The guy doesnt speak great english so its tough to talk to him plus his mechanic did the work. He said something about yhe sensors that came with the motor needing to be swapped for it to run right. Where is the avcs located on the motor?
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Old 11-29-2013, 02:18 PM   #21
ToneWrx02
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The intake manifold is usdm for sure. See the little valve with 3 lines coming on next to the stock turbo inlet in front. That only came in usdm form.

My jdm ej205 has that sealed with a screw.

Also another way to find out if it is jdm. The jdm came with single avcs. Check the heads for extra tubing.

If its not there then you got a stock usdm wrx engine.
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Old 11-29-2013, 02:21 PM   #22
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Actually i changed my mind about stock usdm. Look at the ac lines.. where are they leading to.. is it going under the intake mani? From the looks of it he got a older jdm ej205 not 01+ plus.

So pre my00 amd most likely swapped some tjings to make the engine work.
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Old 11-29-2013, 03:37 PM   #23
003rex
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I'm about to do one of these swaps... but haven't personally encountered the design or layout of the motor. Avcs is subarus valve timing and has to do with cams and lift, I know there are 2 plugs for avcs (cam sensors) and one reg cam sensor. The 2 avcs are in the back, and cam sensor in front. The jdm motors need a small bracket Installed to read the cam sensor correctly I've been told, but havent worked with one yet so don't quote me on that, talk to a local tuning shop and see what they have to say. Good luck
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Old 11-29-2013, 05:37 PM   #24
ToneWrx02
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Quote:
Originally Posted by 003rex View Post
I'm about to do one of these swaps... but haven't personally encountered the design or layout of the motor. Avcs is subarus valve timing and has to do with cams and lift, I know there are 2 plugs for avcs (cam sensors) and one reg cam sensor. The 2 avcs are in the back, and cam sensor in front. The jdm motors need a small bracket Installed to read the cam sensor correctly I've been told, but havent worked with one yet so don't quote me on that, talk to a local tuning shop and see what they have to say. Good luck
false false false,

All I did when installing mine with non working AVCS, is disconnected the AVCS wire, installed engine, and bam worked.

No issues at all.
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Old 11-29-2013, 07:02 PM   #25
victork
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Quote:
Originally Posted by ToneWrx02 View Post
Actually i changed my mind about stock usdm. Look at the ac lines.. where are they leading to.. is it going under the intake mani? From the looks of it he got a older jdm ej205 not 01+ plus.

So pre my00 amd most likely swapped some tjings to make the engine work.
The ac lines both go to the right (driver side), and the large one goes on top and the small one runs under everything.
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