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Old 12-14-2010, 10:15 PM   #1
RiskySeven
Scooby Newbie
 
Member#: 26782
Join Date: Oct 2002
Location: STL
Vehicle:
2002 WRX
WR Blue

Default Will it work? USDM MY02, JDM ECU/motor harness, Cosworth JDM 2.5

I'm struggling to wrap my head around a 2.5 swap for my bugeye.

Will this work if I get it tuned or am I missing something?

USDM MY02.....has stock EJ205
Cosworth EUDM/JDM EJ257 long block...it's DBC
JDM EJ207 ECU/motor harness
IA Performance AVCS wiring kit

If it does work and is tuned, would it have a chance in hell of passing emissions?

Yes I know the motor is expensive. So is a new car.

Thanks!
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Old 12-15-2010, 10:10 PM   #2
Jaxx
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Member#: 177
Join Date: Aug 1999
Chapter/Region: NWIC
Location: Boise,Idaho,USA
Vehicle:
The 93 Imp W/EJ20K
flat black

Default

work yes

pass emissions nope

depending on the state the jdm ecu will never pass
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Old 12-16-2010, 10:36 AM   #3
RiskySeven
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Member#: 26782
Join Date: Oct 2002
Location: STL
Vehicle:
2002 WRX
WR Blue

Default

Thanks Jaxx. Been doing some research on that....wonder if Missouri can read JDM ECU? Odd it's state to state.

Also been talking w/ Cosworth sales support. They pretty much agree.

"The engine can run properly assuming the wiring and sensors are connected with the ecu properly. You may a few check engine lights but most issues should be manageable." .....need KK3920 cams..."The cam sensor reads differently so this camshaft has the correct triggers to match". Something like COS-20007707 (EUDM/JDM, DBC, single AVCS, 2.5 w/ KK3920 cams)


Now to continue w/ the plans..... MUAHAHAHAHA!
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