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Old 04-21-2013, 11:46 AM   #9
FuJi K
Scooby Guru
 
Member#: 3687
Join Date: Jan 2001
Chapter/Region: MWSOC
Location: St. Paul, MN
Vehicle:
MY99 GF4 JDM 6spd
NF Performance

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If it was me, i would just do a usdm WRX ecu/harness running the ver6 longblock. If looking for more strength you should up the rods and pistons. If you don't want to pay a premium for the JDM engine, a built USDM WRX 2L with gutted intake ports will work the same.

Ver5/6 are big ports whether WRX or STi. Impreza GT in Europe with an EJ205 engine runs the same big port heads. It's not STi exclusive
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