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Old 04-09-2009, 11:05 PM   #1
JLW2007RS
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Default Getting ready for WRX Swap, QUESTION!

Will my 2.5i transmission hold up to the WRX engine? With a clutch upgrade? I know this is the wrong forum, but i know it will get some traffic here.

If there is another thread addressing this please direct me to it, i may be retarded but search function did not bring results.
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Old 04-09-2009, 11:14 PM   #2
funky monk
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WRX swap in a 2007...interesting.

Probably won't have any issues but who knows.
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Old 04-10-2009, 02:24 AM   #3
olsen726
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i would think it should be fine, as long as you aren't launching it hard/ power shifting... how are you planning on doing this swap? if you don't mind me asking
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Old 04-10-2009, 03:57 AM   #4
jordan s
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wrx is the same trans, just stronger clutch.
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Old 04-10-2009, 05:24 AM   #5
olsen726
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that's good info to have, i thought i had heard something about that before, but wasn't sure if it was true or not
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Old 04-10-2009, 08:41 AM   #6
JLW2007RS
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Quote:
Originally Posted by olsen726 View Post
how are you planning on doing this swap? if you don't mind me asking
What I will be doing is purchasing a used WRX engine, Has 35,000 miles on it, from there i will be installing new gaskets, and going through the valvetrain. Along with installing an Garrett 18g. I will be switching over the ECU and switching out the exhaust. It is going to be a project but thats why i own a Jeep!

And my buddy with a nasty fast bugeye is helping me haha
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Old 04-10-2009, 08:42 AM   #7
JLW2007RS
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jordan, I'm glad to hear that, i have heard that before but will be moseying by my Dealer to ask them also. before this swap occurs.
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Old 04-10-2009, 02:55 PM   #8
Jay89
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where did you happen to find the wrx engine? what year was it?
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Old 04-10-2009, 04:18 PM   #9
JLW2007RS
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Engine from my buddies 2006 wrx, 2.5 liter. No turbo and needed new rings on piston 2. He swapped up to a STi, i am awaiting the O.K. to go grab the engine and start work on it. Also I will need to purchase an ECU along with wiring harness.
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Old 04-10-2009, 04:39 PM   #10
2.5i
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Call Subaru and cross check part numbers on the trans with an 07 WRX. It seems like my buddies WRX has different gearing. If they are different, I wouldn't launch it.
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Old 04-11-2009, 12:08 AM   #11
VIsubi
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you'll be fine just upgrade the clutch the stock will work but will go out before the wrx stock does ohh and the clutch's are different so you want to order a clutch for the tranny not engine bud....as for tranny same tranny casing better gears in the 2.5i than the wrx its either the 2.5i or the sti tranny gears that are great..your gona be fine launching with slipping the clutch its geared lower so you'll spool up and always been your boost range as for rebuilding the engine put some sleeves in it and you'll be golden but yeahthat should help you on your quest don't buy a WRX clutch get a stage two impreza 2.5i mounting clutch again there not the same;.
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Old 04-11-2009, 11:09 AM   #12
JLW2007RS
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VIsubi, Thank you very much! Very helpful information! I will post pictures up of everything as it comes together. It is a project though haha
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