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Old 10-11-2016, 02:39 PM   #1
Sti.Tito
Scooby Newbie
 
Member#: 445056
Join Date: Apr 2016
Location: Oxnard Ca
Vehicle:
2004 Impreza
Java

Default 2004 Subaru Sti

Hello Subaru owners so I'm new on here and been having nothing but trouble with my 2004 Subaru Impreza Sti that comes with ej257..
So where do I start.
Blew the engine a first time took I to a bunk shop that did the worst rebuild on my car and charged me up the ass till this day I still can't believe I actually 1 went their 2 let them take advantage of me and had me pay that much so turns out once I got it rebuilt got it back so many things where wrong with it that I started to hear the knock rod again and made sure it was not the tention pully. Let me throw in that it took them about 2 years to get it out the shop.. so anyways I took it back to them they said I was abusing it when they told me to not push it when I know my self I was not abusing it what so ever. So they got a new block we took them to court and try and sew but lost the case cause we had no prof of the engine being rebuilt wrong so Imma just emberrace my self and say it that I lost those 7,800$ I payed..
Yes 7,800 I know. A while after driving around the 2nd rebuild he did in my car " BOOM " again it went out it was leaking so much oil.. so point is I got my self another engine I just let everything go and chose to go my own rought and do it all my self cause of how bad I was ****ed over..
So I got my self a ej255 off a forester with estimated 45,000 miles it's the sti one witch comes with vf41, I'm running the Impreza harness on with the Impreza ECU & Accessport..
So far everything was great installation no leaks no tampering, changed the spark plugs, oil had no shavings, everything was legit.
So what I wanted to know is if it should be fine that I'm running the the Impreza ECU, Harness, and accessport. As in will I be getting the right readings or will it mess up the engine cause of bad reading.?
Do I neeed the forester stuff?
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Old 10-11-2016, 05:35 PM   #2
mrsaturn7085
Scooby Specialist
 
Member#: 375462
Join Date: Dec 2013
Location: Portland, OR
Vehicle:
2006 Impreza WRX STI
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The EJ255 should drop in and run assuming the throttle is DBW. There is potential for AVCS compatibility issues for reasons I don't need to dive into, here. Assuming the AVCS can be controlled, the tune will NOT be correct and you should address that before turning the motor over.

...beyond that, you need to slow down a bit and learn about your car before you blow another motor.
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