Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

ej20 swap for 2.5 sti engine

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Old 01-06-2004 | 04:03 PM
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Car Info: 02 wrx
ej20 swap for 2.5 sti engine

i was offered an sti 2.5l engine trans and diff cheap and was wondering what was involved in the swap please let me know more about the conversion
Old 01-06-2004 | 04:04 PM
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lots of work
Old 01-06-2004 | 04:32 PM
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lots of wrenching and a few wires... that is about it
Old 01-06-2004 | 04:45 PM
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Re: ej20 swap for 2.5 sti engine

Originally posted by quick02rex
i was offered an sti 2.5l engine trans and diff cheap and was wondering what was involved in the swap please let me know more about the conversion
What do mean when you say cheap? I want the sti transmission, you mean the 6MT right, just wanted to know how much you are paying for yours.


Jason
Old 01-06-2004 | 05:22 PM
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i really wanted to know what u had to do to make it work it has everything harness ecu trans eng axles driveshaft and rear diff i wanted to know if anyone has done the conversion and could tell me if i needed anything more to do it and maybe steps

i am a tech and i do know how to do alot but i never did a swap on a wrx so i was wondering what kinda problems maybe some people who did the swap had so i wont have them


oh and when i say cheap im not selling them i will be using them for myself sorry
Old 01-06-2004 | 05:26 PM
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Originally posted by quick02rex
ioh and when i say cheap im not selling them i will be using them for myself sorry

I know you are not selling them I just wanted to know how much you are paying for them.


Jason
Old 01-06-2004 | 05:27 PM
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it'd be work, but (at least in my opinon) it'd be worth it. having the rear diff makes it a hell of a lot easier, since you don't have to go out and find one with the right gearing. i'd say if you have two friends with some mechanical skills, tools, jack stands etc. you can do it if you're motivated.
Old 01-06-2004 | 05:29 PM
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**** jack stands i have a lift i work in a dealership with a whole setup with shop equipment trans jacks engine hoist me and my buddy i was just inquiring if there were any additional parts needed other than the running gear and the labor
Old 01-07-2004 | 03:31 AM
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i think that's it. All I know is that the STi tranny swap is a lot easier if you have the complete drivetrain, and that people are doing the 2.5 swap left and right....
Old 01-07-2004 | 04:50 AM
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somone was telling me about the trans crossmember is diffrent does my buddy know what he talkin about or do you have to get a new one
Old 01-07-2004 | 08:20 PM
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dont forget axles, diffs and the likes of the ENTIRE drivtrain as well as motor, ecu, smog sensors and all that stuff
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