dp213 Posted December 29, 2015 Share Posted December 29, 2015 Can I put 2.2 phase 2 heads from a 99 legacy on a 2001 2.5 block. The 2.5 has a broken timing belt and i have a new set of 2.2 heads sitting in my shop. Thanks Link to comment Share on other sites More sharing options...
dp213 Posted December 29, 2015 Author Share Posted December 29, 2015 I know you can do it on the phase 1 motors with phase 1 heads. I'm just not sure about the phase 2 Link to comment Share on other sites More sharing options...
ocei77 Posted December 29, 2015 Share Posted December 29, 2015 (edited) OOps! O. Edited December 30, 2015 by ocei77 Link to comment Share on other sites More sharing options...
idosubaru Posted December 30, 2015 Share Posted December 30, 2015 Phase II EJ22 heads are the same exact heads as Phase II EJ25 heads except for the exhaust ports. unlike Phase I - they have the same intake manifold bolt pattern, same valve part numbers, etc. you just need a single port exhaust header from any 1996-2001 EJ22. 1 Link to comment Share on other sites More sharing options...
johnceggleston Posted December 30, 2015 Share Posted December 30, 2015 you don't ''gain'' anything, reliability or power, by doing it. but since you have the heads you will save the cost of rebuilding the old heads. the y-pipe will cost you some thing though. but it will work. Link to comment Share on other sites More sharing options...
dp213 Posted December 31, 2015 Author Share Posted December 31, 2015 So no pullies to change? And do I use 2.5 head gaskets? Thanks Dp213 Link to comment Share on other sites More sharing options...
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