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Old 10-17-2010, 01:54 PM   #1
acurarsx
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Default 2005 wrx motor into 2002

Okay I blew up my 02 motor and found a nice deal on an 05 motor. I just wanted to make sure that everything is compatible. My main concerns were any electrical connectors, coolant lines, fuel lines, and power steering lines. Does anybody know if all the connections are the same. It looks like the fuel fittings on the 05 are different than on the 02. Any input would be great. Thanks!!
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Old 10-19-2010, 08:29 PM   #2
acurarsx
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Bumppp
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Old 10-20-2010, 05:17 PM   #3
happs subi
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The difference with the fuel is the 05's have an in tank filter, and you have a filter inside the engine bay next to the driver's side strut tower. You shouldn't have much of a problem with this swap if you keep parts of your 02 engine that are different (I think the 05's have a dbw manifold).
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Old 10-21-2010, 11:00 AM   #4
acurarsx
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Thanks. Bump for more answers
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Old 02-01-2011, 01:13 AM   #5
ydeardorff
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What is the difference in years? as far as manifolds etc.
I have an 05 motor, and am getting an 03 WRX complete wrecked car to use for its engine and main harness.
sry for resurrecting such an old thread.
Im doing a transplant of Suby drivetrain into a VW based kit car. And frankly searching for more than a week I cannot find Any info on this, I have been using the search button, but have resorted to read every thread in this site if I have to, still have about 250 threads to read through in this section alone. 8)
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Old 02-03-2011, 02:01 PM   #6
ydeardorff
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acurarsx,

I have been asking the same or similar questions all over the internet, even subaru of america has been queried.
What I have found, is either the info isnt out there, or apparently ppl dont know.

After asking several question across forum both in the UK, and the states, I have finally found out at least for my example and 05 2.0 turbo out of a wagon, being mated to the electrical system of an 03 WRX that had the same motor, (then going into a VW) its a direct connection, nothing is different. From what Im reading and being told whats different from 02 to 05 is the cars electrical system. When you get into the STI's you have things like AVCS, etc. The 05 cars had the immobilzer tech in the car itself, but not the motor.

So my guess based upon what Ive learned,...would be, it would be fairly straight forward "if" the motor is the same 2.5, to a 2.5, or a 2.0 to a 2.0. Its the car itself, that has all the differences. At least for the people that do have answer, that is what Im hearing. Minor changes if any, a sensor, or a manifold perhaps, but nothing major.

Anyone am I wrong? Please correct me. The question has been asked on this forum ALOT, and they are simply single post threads with not so much as one aswer.
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Old 03-03-2011, 01:01 AM   #7
nessa503
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Default 06 Into A 03

I Have A 03 With A 06 Engine, Tranny, Suspension And The Whole Front Body. Headlights, Bumper And Hood Etc. And Besides All The Problems That I Consider Little The Swap Its A Breeze With Pretty Much Everything Plug And Play., The Manifold For The 06 Its Dbw But You Can Use The One From The 03 As I Did The Only Thing Its Bothering Me Right Now Its The Cam Sensors Connectors Since The 03 And 06 Are Different With The 06 One Having Extra Wires But I Already Got The Complete 06 Body Harness, Ecu, Immobilizer, And Key. So Once I Swap The Wiring I'll Let You Know
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