nvu Posted July 17, 2018 Share Posted July 17, 2018 I've recently acquired a 98 impreza outback sport that had an oil leak. After tearing down the engine it looks like the block is unusable, no threads on one headbolt hole, cracked into water or oil area. Opposite head bolt snapped off, looks like they put some type of dry powder in it to stop leaks. One head has very discolored exhaust valves. It might be okay, but at this point I'm cutting my losses and looking to put in another engine. The original one looks like an EJ22 MAF version, no EGR. Heads are external headbolts, single port exhaust. Has the newer style tensioner on the block. There's a local place which stocks jdm EJ20 sohc engines and I'm wondering if these would work. They all seem to be the internal headbolts heads. Will these newer ones work? Link to comment Share on other sites More sharing options...
GeneralDisorder Posted July 17, 2018 Share Posted July 17, 2018 No the intake will not bolt on and the EJ20 intake is not compatible with the 98 ECU. GD Link to comment Share on other sites More sharing options...
wtdash Posted July 17, 2018 Share Posted July 17, 2018 The good news is that a 2.2 is the best subaru engine to buy USED. You've seen this site? http://www.car-part.com/cgi-bin/search.cgi You can use the earlier '90-'95 too...just need a dual-port header pipe....and re-use your IM / intake manifold. I have bumped into a couple of fitment issues w/the PS bracket and maybe the AC/Alternator bracket - get both (and keep your newer Knock sensor, too). Link to comment Share on other sites More sharing options...
nvu Posted July 18, 2018 Author Share Posted July 18, 2018 Thanks for the answers. I'll be looking for ej22's then. Are head gaskets a problem with these? I'd plan to buy locally at a place with warranty and drop the engine in as is. Link to comment Share on other sites More sharing options...
wtdash Posted July 18, 2018 Share Posted July 18, 2018 (edited) I wouldn't unless it's getting close to 200K, but that's just a #. Plan on full tbelt +idlers, etc, WP, reseal the Oil pump w/new crank seal and o-ring, cam seals (?), rear separator plate (swap to metal if it's plastic), rear main is usually not an issue. If you have to swap intakes, get IM gaskets, and I'd also put in a new oil pressure sensor/sender. Adjust the valves if it's a '97 or '98 w/the SLA...might want to bleed the HLA's if it's been sitting. New NGK coppers are cheap. Plus whatever else you find recommended on here/online. Edited July 18, 2018 by wtdash Link to comment Share on other sites More sharing options...
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