DJP1965 Posted June 26, 2009 Share Posted June 26, 2009 I have a 1997 Outback that has low compression (25lbs) in the fourth cylinder. I have not tore into the engine yet so I’m not sure what the problem is nor do I know how much it would cost to rebuild one head. I came across a set of heads for sale ($150), they are off of a 1998 Outback. I’m going to pull the head off of my car and at least figure out what the problem is before I would buy these other heads. But what I really need to know is will the heads off of a 1998 Outback engine fit on a 1997 Outback engine? Thanks in advance for any info to this question. Link to comment Share on other sites More sharing options...
davebugs Posted June 26, 2009 Share Posted June 26, 2009 I believe they changed designs in 98 - but an expect should chime in. I do know that 97's have the shims to adjust the valves. If the 98's are a different design I'd swap them both for consistency sake or just get a 97 head. Link to comment Share on other sites More sharing options...
johnceggleston Posted June 26, 2009 Share Posted June 26, 2009 yes, same head. before you pull the head, double check the timing belt and alignment marks. it may have jumped time. but your compression is so low i doubt it, maybe a valve.?? Link to comment Share on other sites More sharing options...
idosubaru Posted June 26, 2009 Share Posted June 26, 2009 the 98 heads will work fine on your 97 EJ25. be sure to use Subaru only head gaskets for this engine when reassembling. Link to comment Share on other sites More sharing options...
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