wrx engine removal to make hybrid - Subaru WRX Forum
 
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post #1 of 14 Old 11-02-2008, 07:51 PM Thread Starter
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wrx engine removal to make hybrid

Hey there guys i am in the middle of pulling the motor out of my 2002 wrx. we have got all the wires bolts and everything off. we have got the trans broke from the motor but we can not get them to come all the way apart. is there something that you need to do with the clutch? i am sure that there is not but we just can not get them to come althe way apart. maybe something to do with the clutch fork? throw-out bearing?? thanks for the help.
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post #2 of 14 Old 11-02-2008, 11:12 PM
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YES!! Do not pry them apart. I spent 5 hours prying them apart and destroyed my pressure plate. There is a 10mm threaded bolt toward the bottom of your bell housing holding in the fork. Stick a 10mm (thats the size I've been told) and thread it in, then pull the pin out holding in the fork.

Also, I should be posting the hybrid build stuff I've been working on in the next week or so. It's all the info I thought might be useful, so check back for a new thread on that. I just did a rebuild on a hybrid... but still it might be useful.

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post #3 of 14 Old 11-03-2008, 07:48 PM Thread Starter
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right on thanks alot!!

i would be glad to have your help the engine i am using for my hybrid is a brand new version 9 sti motor just to let you know...do you have anything about the intake manifolds because the one on the new motor will not work the throttle bodies are different from the drive by wire to the cable style which i will be using thanks for the help and any other info you might have to add!!
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post #4 of 14 Old 11-03-2008, 08:14 PM
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That's all over my head man, sorry. I used a 04 EJ257 that was there when I bought it. I learned some stuff from rebuilding the whole thing, but I didn't run into those issues. Check Nasioc, I'm not sure anyone here has tackled that yet. I'll get up the info I have ASAP

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post #5 of 14 Old 11-03-2008, 08:43 PM
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Sorry, but I'm confused. A EJ257 is a 2.5 turbocharged North American STI version 7 engine. That I know and is implied. So, what is a version 9 STI engine? Sorsy is it a 2.0 or 2.5. Because I was under the assumption that the Japan STI 2.0 engine was a version 7 or 8 (EJ207 or EJ208).
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post #6 of 14 Old 11-03-2008, 09:31 PM
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I am confused as well. There is only 1 version of the 2.5L STi engine. 04-09, it's all the same motor.

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post #7 of 14 Old 11-04-2008, 12:13 AM Thread Starter
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ok i might have got that mixed up but i am thought it said version 9...has anyone ran into that intake problem before going from a drive by wire to a clable version not matching up
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post #8 of 14 Old 11-04-2008, 12:21 AM Thread Starter
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i bought this motor off e-bay from a wholesaler in japan this is what he calls it Version 9 STI EJ257 here is a pics of the motor.

SUBARU Impreza STI EJ25 EJ257 JDM Engine Motor Red Head - eBay (item 270284921135 end time Nov-07-08 09:33:08 PST)
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post #9 of 14 Old 11-04-2008, 01:08 AM
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Same engine code... and it looks the same as the American EJ257. I haven't heard anything about manifold compatablilty problems. From what I've heard, there are very few hangups with this build. It's supposed to be pretty straight forward...

That spec-c manifold is awesome. I'll trade you! They are like $600 new. I want one real bad.

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post #10 of 14 Old 11-04-2008, 01:57 AM
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As far as I know, the only place that gets the ej257 is America. There is NO 2.5L sti in japan, that I know for sure. The v7 is the bugeye generation (02-03), which came out here before the sti did, which means there is no such thing as a v7 ej257. The jdm sti motor is the ej207, and has always been called the ej207 for as long as I can remember. v7, v8, v9 jdm motors are ALL called the ej207. In other words, there is no such thing as a jdm ej257. That motor is usdm. The fact that it is single scroll and has tgv housings also attests to that fact. The jdm motor is twinscroll and does not have tgv housings (anymore).

The spec c motor is 2.0L. If that's 2.5L it's not spec c, so it doesn't have a spec c manifold. The spec c manifold is also drive by cable, and that looks like its dbw.

Your best option is to keep the manifold and tgvs from your old motor. That way you don't have to convert to dbw. Other wise you'd need a new ecu, gas pedal, etc.
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post #11 of 14 Old 11-04-2008, 02:34 AM
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The Spec C mani is made for 02-05 2.0L engines, is 3 pieces, and has the TGV's. The aftermarket version I've been looking at is all one piece and has no TGV's, also made for the 2.0L.

So I don't know why that EJ257 has one on it ... maybe they painted it?

That listing didn't say anything about condition or miles ... did you really spend like $5000 on one? Bottom ends are like $1800 from Subaru.

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post #12 of 14 Old 11-04-2008, 06:07 AM
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Quote:
Originally Posted by Chase View Post
The Spec C mani is made for 02-05 2.0L engines, is 3 pieces, and has the TGV's..
Huh? Are we talking about the same thing? I'm referring to this... I don't know what's so special about the motor and all the stuff that's on it. As far as I can tell, it's just a regular, completely stock usdm sti motor, (besides uppipe?) probably 2-3 years old. That manifold is exactly how it should be; tgvs, dbw, and crinkle red; everything that the spec c manifolds are not (sans crinkle red).
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post #13 of 14 Old 11-04-2008, 10:39 AM
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All of the engines are more than likely made in japan by Fuji Heavy Industries. But, they're North American Spec. It even says EJ257 all over the posting. I dunno...but it looks exactly like my engine. Don't see anything different.
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post #14 of 14 Old 11-04-2008, 11:34 AM
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The posting says "overstock new motor." So it should be a stock zero mile motor.
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