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Old 05-18-2004, 08:45 PM   #26
Structure828
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Oh' also...if u think we are full of crap about the RS turbos, WRX's and STI's converting over to this AWIC then goto www.imprezars.com and on the right side, there is a link to the conversion page.

It talks about how people with WRX's and STI's and stuff want to convert to it, and the step by step process HOW to do it. And what you need to do it. And HOW worth it , it is to do so.
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Old 05-18-2004, 09:23 PM   #27
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Whos this we? I just see you saying STis and wrx guysa are changing to it... and its not true from anything ive seen.
How does that link ( http://www.netcomuk.co.uk/~gavinp/airwater.htm ) show people are changing to it? The only people that would benifit from an AWIC like this would be people suck with the older style IC... Not the newer style air to air I/Cs. Very few newer cars are running it... its just not that great. I can find no one here ( http://www.imprezawrxsti.com/postnuke/ ) talking about them... let alone trading thiers infor it, but there are a good number of threads on air to air I/Cs.

Something like Nicks, first link I posted, would be better because of the huge heat exchanger and tank to hold the water. This would also be better then the new style air to air I/C but would ba a pain in the ass get running. And even thoes are not going to last long before getting heat soaked...
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Old 05-18-2004, 10:02 PM   #28
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HMMM odd. If you read the artile the guy gets into saying how he went to performance companies and everything that tell him about the benifits. Then there are about 4 links on top of that preaching about it. There is a good amount of WRX's and STI's that are runnign them, or wanting to run them. There is some canadian subaru board. I cant remember the name of it. There is actually a GROUP ORDER they are doing to get as many as possible if they can get their hands on em.
I am not saying its the greatest thing in the world. Not by any means at all. What I am saying is it is better then the standard air/air intercooler, and its 1 of THEE best subaru ever made, or any FACTORY car produced. Its not a big deal. If you can make an investment and drop $1500+ on a intercooler, go for it, if not...this has been the choice of many.
You can also goto the RSLiberty forums if you have more questions.
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Old 05-19-2004, 09:22 AM   #29
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Quote:
Originally posted by Structure828
Yea, most WRX's or even STI's do add those AWIC's if they can. Its hard to get them that cheap...by the way...the whole black and silver color thing u got it wrong. JDM is SILVER and AUS/NZ/UK is black. How do I know this? Because I own one
1. JDM 89-91 AWIC's are silver. 92+ are Black. I beleive they only ever got black down under.

2.They are very easy to get for $40-50. There is a group buy going on around here by Ciper

3. That is not the total cost, however. Then you need a pump and a condensor and a reservoir. Figure another $250-300 for those parts.

4. #3 is the reason that not many folks with WRX's go this route. All that extra stuff adds 30-40lbs to the weight of the car.

5. An AWIC is great for daily driving and instances like rush hour on a 90 degree day where an A-A could get heat soak. But if you track your car hard and often, an A-A is a better choice. On a long track day, the water in the AWIC will get hot and not be very efficient at cooling. Even Xephyr is retiring his custom PDM AWIC that he claims could support 600hp. The reason is that for long track sessions it just can't keep up. I rode in his car last weekend and by lap 3 or 4 his engine temps were going way up from the first few laps...
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Old 05-19-2004, 09:24 AM   #30
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oh, and the difference between and vf-8 and a vf-12. Same compressor, but the VF-8 had a P18 exhaust housing while the VF-12 has a P20 exhaust housing. As such, it could be compared to a VF-23, which also has the same exhaust housing. The P18 is found on the VF-24, VF-28 and even the VF-30...
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Old 05-19-2004, 12:05 PM   #31
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oh one more thing ..
a usdm or ver 5-6-7-8 intercooler won't fit between the fire wall and the ej20G throttle body .. at least on an impreza ..i tried..
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Old 05-19-2004, 02:51 PM   #32
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Yea, the Legacy AWIC is a tight fit as well. Its basically up against the firewall and on top of the A/C lines. Its real tight.
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Old 05-19-2004, 07:41 PM   #33
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Just went ahead and ordered a BREMBO Brake Kit w00t!
Super Cross Drilled Rotors/pads/stainless steal lines
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Old 05-19-2004, 10:10 PM   #34
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Quote:
Originally posted by Matt Monson
oh, and the difference between and vf-8 and a vf-12. Same compressor, but the VF-8 had a P18 exhaust housing while the VF-12 has a P20 exhaust housing. As such, it could be compared to a VF-23, which also has the same exhaust housing. The P18 is found on the VF-24, VF-28 and even the VF-30...
Do you have a vf-8 or vf-12 turbo that you can measure the inducer and exducer of the exhuast wheel. I find it hard to believe the vf-12 uses the same exhaust wheel as a vf22. How did you ID the housing trim??
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Old 05-20-2004, 12:06 AM   #35
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Steve,
I never said anything about the wheels. I just said they share the same housing. How they trim them out has a big impact on how they perform relative to each other. Plus the VF-12 is an much older design using and doesn't even have roller bearings like a VF-22 or 23. And unfortunately I don' have a mess of these lying around. I ONLY have a VF-10, a VF-28 and a VF-30 in the house...
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Old 05-20-2004, 11:03 AM   #36
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And I have a TD04 and a VF8.

People underestimate the VF8 and VF12. They are like a TD05, just an older design
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Old 05-20-2004, 11:03 AM   #37
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lol thats all you have Matt? lol, people should send you their dead turbos and you coulld do a full comparison chart
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Old 05-20-2004, 03:48 PM   #38
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Matt, where do you stand with your swap?

dont tell me the motor is still sitting there..
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Old 05-20-2004, 09:20 PM   #39
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well,
the VF-30 is dead.

As for the swap? My GF moved out and I have been scrambling to make the whole rent That means 2 jobs and six days a week of work. Needless to say I have been too tired to wrench.

I do have the JDM wiring harness, and rewiring the car is next. I think I may just rewire the whole car with the new harness. We'll see. But I don't see that happening for another month yet. Cobb's meet is Memorial Day weekend, and then I am best man in a wedding in Portland mid June. MY weekends will be pretty tied up for a while. But I will update when I finally start to make progress again...
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Old 05-21-2004, 11:37 AM   #40
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Sounds good. Your a good guy and a lot of help. Hopefully you get it going
The wiring isnt THAT bad...just make sure all your plugs are fully attached and clean. And take everything 1 step at a time.
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Old 05-21-2004, 06:35 PM   #41
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So anyone know an easy/free link to upload pics and host them? Or anyone have a place they can host? PM ME or post pls
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Old 05-22-2004, 01:57 AM   #42
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I'll be glad to host them for you but its going to cost you BIG TIME!!!! Well not really just want you to answer my questions, at least I hope you can.

I got an 04 WRX with a bad engine (broken cams), bought it that way. Well the crank isnt turning so I think I have head problems and block problems (pistons probably not moving being blocked by the valves?!?!). I am going to try to buy another engine but I am clueless as to what will fit and what will not. My engine is an EJ20 but what year model can I get another EJ20 from. Also I see EJ20T and EJ20G, clueless about that. I dont want to change my ECU or have new wiring or anything. I just want an engine that will be kinda like "plug n' play" if you will. What year models and options do I have. Also options with getting JDM or USDM.

I have been looking to be buying this...
http://cgi.ebay.com/ebaymotors/ws/eB...spagename=WDVW

good idea or not for my 04? Really appreciate all the advice I can get. Thanks guys

Just send me the pics to my e-mail [email protected]. I got unlimited space in the e-mail so send as many as you want.
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Old 05-22-2004, 12:44 PM   #43
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If you plan on using the same wiring harness u are going to need another WRX motor. Preferably the same year as well. EJ20G and EJ20T are basically the same thing. It is just a model code difference from US spec and Jspec/Aus spec ect....

You can switch to any other EJ motor and it will fit fine BUT the wiring will be different no matter what. It sounds like you have multiple problems that might be cheaper just to replace the motor like you are thinking.
If you want to leave the wiring alone though...another wrx motor will do it.

I will email you in a week or 2.
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Old 05-22-2004, 12:52 PM   #44
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So from what I am underfstanding, if I get an EJ20 from any year model I will not have to have the wiring done. But if I get an EJ22 or EJ25 for example I will have to change the wiring.

Now the ebay link attached, is that a good engine to buy and since its an EJ20T I will not have to do anything with the wiring? Will there be any complications since its a JDM? The intercooler looks a lot smaller, but it still produces 230 hp according to them. Thanks

Last edited by elhalisf; 05-22-2004 at 01:11 PM.
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Old 05-22-2004, 03:33 PM   #45
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he just said jdm would require new wiring. just go to all the local junk yards, and find a usdm wrx motor.
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Old 05-22-2004, 04:21 PM   #46
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Anything different from your exact USDM EJ20T wrx motor will require the wiring to change. Keep in mind anything that most motors 91-96 are OBD1 as well. Your best bet is to get another WRX US motor. Unless you want to move to a more powerful motor. Like a Legacy RS or a STI or Jspec WRX motor...

But that will require loads of wiring.

You could also get a stand alone ecu if you got the $
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Old 05-23-2004, 03:19 AM   #47
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Quote:
Originally posted by Structure828
Anything different from your exact USDM EJ20T wrx motor will require the wiring to change.
wrx = ej205...

Quote:
Originally posted by elhalisf
So from what I am underfstanding, if I get an EJ20 from any year model I will not have to have the wiring done. But if I get an EJ22 or EJ25 for example I will have to change the wiring.

Now the ebay link attached, is that a good engine to buy and since its an EJ20T I will not have to do anything with the wiring? Will there be any complications since its a JDM? The intercooler looks a lot smaller, but it still produces 230 hp according to them. Thanks
The only motor you wont have to rewire for is an jdm ver7 or ver 8 ej207, plug everything in get the jdm ecu and go. If you want avcs you have to run the wires for it but its not hard. That ebay link would be quite hard... you would have too rewire everything, to an older set up. Last becarefull with ebay(ripoff) motors...

Best bet is to pick up a ver 7 or ver 7 ej207 plug it in, run the wires for avcs and get a reflash.... if you cant affored that wrx ej205 will plug right in and go.
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Old 05-23-2004, 03:32 AM   #48
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Quote:
Originally posted by totoherbs
wrx = ej205...



The only motor you wont have to rewire for is an jdm ver7 or ver 8 ej207, plug everything in get the jdm ecu and go. If you want avcs you have to run the wires for it but its not hard. That ebay link would be quite hard... you would have too rewire everything, to an older set up. Last becarefull with ebay(ripoff) motors...

Best bet is to pick up a ver 7 or ver 7 ej207 plug it in, run the wires for avcs and get a reflash.... if you cant affored that wrx ej205 will plug right in and go.
They sure dont call you a Scooby Guru for nothing. Thanks!!!
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Old 05-23-2004, 04:05 AM   #49
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Quote:
Originally posted by elhalisf
They sure dont call you a Scooby Guru for nothing. Thanks!!!


Thats from post whoring in scic... nothing else.

A ver 7 ej207 long block is going to run from $4 to 9k. www.rallispec.com (new) www.kingpinperformance.com (used) have great reps. If you are straped for cash and need a motor now get a wrx long block for $2 to 4k. You can get a fresh rebuilt ej205 from rallispec for ~5k.
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Old 05-23-2004, 12:59 PM   #50
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I dont know about all that. Putting a Ver 7 motor in is going to be a slightly diff harness from the US spec WRX. Most of the things are going to be the same but I am pretty sure there will be differences.

J spec wiring diagrams use diodes and more power/ground connections then US spec motors. I just basically went through every damn wiring diagram on any EJ20 subaru motor and noticed that yearly, a lot stood the same but every year something slightly changed with wiring.

It could be done, but I could promise you, something somewhere will have to end up spliced.

Plus everything is going to be off...


The Ver7 has much more power, a different turbo, different injectors, different everything....

The plugs might line up but the WRX ecu wont know what the hell to do.

You cant go from 220hp to 280hp using the same ecu without having atleast retuned
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