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Guest Message by DevFuse

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EJ18 / EJ22 Swap into EA81 Question

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2 replies to this topic

#1 88HatchMonster


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Posted 16 August 2005 - 01:47 PM

Hi, I have two EA81 hatches and I'm going to be getting a free 94 impreza soon with (I'm guessing) an EJ18 in it.

My question is: If I go throught the whole process of swapping the EJ18 into one of my hatches, at a later time would I be able to just swap in an EJ22 long block? Would I be able to use the same manifolds and wiring harness etc.? Would I just have to swap in the EJ22 computer?


#2 redwagon


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Posted 16 August 2005 - 09:53 PM

The injector and ignitor plugs might be different, but it's easy to splice them. Depending on year and whether your engine is AT or MT, the ignition plate behind the crank pulley may be different, but they swap straight over. You can run the EJ22 just fine off the EJ18 ECU.
There's lots of info on this swap over at both nabisco and i-club.

#3 88HatchMonster


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Posted 17 August 2005 - 11:49 AM

Thanks for the info :)

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