paulandirene Posted August 26, 2008 Share Posted August 26, 2008 I have a vehicle ['86 VW Vanagon] with a very tired but running '90 Subaru EJ22 Legacy engine in it. I have access to a low mileage '97 EJ22 Impreza engine to make a swap, but I am not sure of the complications. I just want to do a long block swap, so I am not interested in upgrading the wiring, etc., to make it ODB-II. I believe the '97 is an interference engine, so I will definitely replace the timing belt [as well as seals, etc.] I do know I will have an exhaust port issue because the '90 has a dual port exhaust, while the '97 has a single port exhaust. However would I be able to use the '90 intake manifold on the '97 engine? Are you aware of any other complications I might run into [blocking off ODB-II stuff, etc]? Thanks in advance for your help! Quote Link to comment Share on other sites More sharing options...
kimokalihi Posted August 26, 2008 Share Posted August 26, 2008 Really? I thought all EJ22 engines were non interference. Quote Link to comment Share on other sites More sharing options...
johnceggleston Posted August 26, 2008 Share Posted August 26, 2008 Really? I thought all EJ22 engines were non interference. the ej22 became interferrence in 97.they made a few changes to squeeze more power out of it. and if i read and remember correctly, it was motivated in part because higher emmision standards zap engine power, so they tweek the engine design so not to take a step backwards in over all power. Quote Link to comment Share on other sites More sharing options...
idosubaru Posted August 26, 2008 Share Posted August 26, 2008 Really? I thought all EJ22 engines were non interference.nope, like JCE said 1997 and up EJ22's are interference. and all EJ25's are interference. Quote Link to comment Share on other sites More sharing options...
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