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Old 09-19-2007, 10:09 PM   #1
96SubyImpreza
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Member#: 157692
Join Date: Aug 2007
Chapter/Region: NESIC
Location: Albany, NY
Vehicle:
2004 WRX
"Big Red"

Exclamation EJ22 to EJ20 swap HELP!!!!

Hey, I was looking for some serious advice on my Impreza. I've got an EJ20 motor in my possession (or nearly in my possession) and I need to know what it is going to take to swap my EJ22 N/A engine with it???

Info:
1996 Impreza L Coupe
EJ22 2.2L

Swapping with a JDM EJ20 turbo.

I need to know about:
wire harnesses (can i use my EJ22 harness or can i use an EJ20 WRX harness?????

Will i be able to pass NY state inspection with the GReddy Blue piggyback ECU????(It needs to run through a computer [1996]

Will my regular ECU be compatible with the piggyback and the motor?

Will my crossmember get in the way of my downpipe????

What does the EJ20 have harness-wise that my harness does not???? (Will any of even my intake harness even hook up??)

What else extra do I need????

HELP!! please!

-Jon
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Old 09-19-2007, 10:31 PM   #2
96SubyImpreza
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2004 WRX
"Big Red"

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I also just realized that the JDM has pretty much no emissions control. I dont think it will pass inspection.
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Old 09-20-2007, 02:57 PM   #3
96SubyImpreza
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Vehicle:
2004 WRX
"Big Red"

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What if it was a 95 Impreza. no computer. How would i hook it up??
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Old 09-20-2007, 03:25 PM   #4
Homemade WRX
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search FIRST, then PM!!!

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this question really needs to be in the conversions forum...
Also, I don't think the emanage will be able to handle the task as your factory ecu has no MAP sensor and you will most likely top out your factory MAF (has been rumored to be same as 300zx though)...
Also don't know about emissions, I don't have them

you need a turbo crossmember to clear the factory uppipe location.
I doubt any of it is plug and play.
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