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Old 08-20-2016, 11:56 PM   #1
The_EvDog
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Member#: 371933
Join Date: Oct 2013
Default USDM EJ205 into N/A bugeye chassis

I have a rear end damaged 03 wrx with a healthy engine and 5 speed. I also have an 03 2.5ts with a blown engine. I'm sure you can see where this is going. Basically I was in need of some resources for swapping the ej205 into the 2.5ts. as far as I know it should drop right in and work fine with the ej205 ecu. Is there any complications I might run into?
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Old 08-25-2016, 06:17 PM   #2
Jlawley
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i did a similar thing with my 2001 rs
as far as i can tell you need to switch the
intake manifold
all the sensor
and the crankshaft gear and the driver side gear
from the old engine to the new.
Idk about your case if the exhaust ports line up and stuff. I have no idea
but this is the stuff that has to be done with any ej25 to ej20 swap
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Old 08-31-2016, 02:02 PM   #3
The_EvDog
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Default USDM EJ205 into N/A bugeye chassis

Quote:
Originally Posted by Jlawley View Post
i did a similar thing with my 2001 rs

as far as i can tell you need to switch the

intake manifold

all the sensor

and the crankshaft gear and the driver side gear

from the old engine to the new.

Idk about your case if the exhaust ports line up and stuff. I have no idea

but this is the stuff that has to be done with any ej25 to ej20 swap

I was thinking of going more in the direction of a straight engine swap. If you can even call it that. I just want to make my 2.5ts into a WRX.
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Old 08-31-2016, 04:29 PM   #4
Seahawk
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Join Date: Oct 2004
Chapter/Region: South East
Location: Wilmington, NC
Vehicle:
1994 Impreza
White

Default

I think you also need the WRX harness. I don't know much about the TS ecu but I doubt has exactly the same number and location of pins as the WRX ecu.
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