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Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

JDM head USDM ecu???

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Old Sep 20, 2004 | 09:14 PM
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dwrx04
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Joined: Mar 2004
Posts: 37
From: Bellingham
Car Info: 98 2.5RS
JDM head USDM ecu???
If i were to put a JDM head on my wrx would i have to get the JDM ecu because of the variable timing cams or could i just use the stock wrx ecu
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Old Sep 20, 2004 | 09:46 PM
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Kevin M
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Joined: Nov 2002
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From: Reno, NV
Car Info: 1993/2000/2001 GF4 mostly red
You would need an STi ECU to use the AVCS heads. Either v7/v8 JDM or USDM STi.
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