bkowens2 Posted March 20, 2010 Share Posted March 20, 2010 Im new to the subaru game im looking to put a 2.5 from a 2000 impreza in my 99 outback have the engine and trans from the 2.5 ready to pick up wondering if it is going to be a big job Link to comment Share on other sites More sharing options...
Gloyale Posted March 21, 2010 Share Posted March 21, 2010 The outback engine is a Phase I DOHC.......the Impreza enigne is a Phase II SOHC Won't work without some mix and match o wiring........and even then there are gonna be issues with the IAC. Not a direct swap Link to comment Share on other sites More sharing options...
bkowens2 Posted March 21, 2010 Author Share Posted March 21, 2010 the outback that i have is a sohc not sure what the 2.5 is havent gone and looked at it yet if they are both sohc will it go smoothly Link to comment Share on other sites More sharing options...
Gloyale Posted March 21, 2010 Share Posted March 21, 2010 the outback that i have is a sohc not sure what the 2.5 is havent gone and looked at it yet if they are both sohc will it go smoothly You have an Outback Sport? (Impreza Outback?) I was confused. I always think of "Outback" as meaning Legacy Outback. A 99 Legacy Outback will have a DOHC engine. If both Motors are Phase II then you should be direct fit , or at worst should able to simply swap your intake onto the new motor. Link to comment Share on other sites More sharing options...
eppoh Posted March 26, 2010 Share Posted March 26, 2010 If his 99 Impreza OB is a 2.2, it will be a Phase 2 SOHC Link to comment Share on other sites More sharing options...
gwilson87 Posted March 26, 2010 Share Posted March 26, 2010 I want to do this to my lifted OBS, one day... Link to comment Share on other sites More sharing options...
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