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ej 22 AT vs MT engine interchangability


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Hi,

Does anybody know what the interchangability between ej22 engines from AT to MT cars is? I have heard that some AT engines will not work with an MT ECU...true or not? When looking at a used engine, all the junkyards want to know what the trans type is and the last letter/digit of the VIN...so methinks there must be a difference. I'm looking to install a '95+ ej22 into my '98 Legacy Outback 5MT and don't want to buy the wrong engine.

Any issues with swapping flexplates & flywheels? Pilot bearing?

 

One other Q... I have read that the '95 legacy ej22 MT engine does not have an EGR port, but the AT engine does... there's a picture of the engine bay of a '95 MT legacy on e-Bay right now which supports that theory...so I'm wondering if my donor vehicle must be an AT. Hmm.

Any thoughts will be appreciated, and thanks to grossgary for his earlier EGR/ dual port comments...I'm learning here.

 

Nathan

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