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Originally Posted by MikeSTI
... I would think if I was going to get a new short block I would want a 2.5 or bigger 2.8 as a replacement rather then a 2.2, to me it sounds like closed deck is more important then the size it self?
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If you want ridiculous amounts of boost, yeah. Closed deck is more important then displacement.
I personally wouldn't do a 2.8 unless Subaru made it and made it was designed as a closed deck motor. If Subaru doesn't make it, I would assume that whatever 2.8 you want is a bored/stroked out EJ257 and it will actually be weaker then the EJ257 due to thinner cylinder walls. You can add more sleves and whatnot to strengthen the motor, but it still won't be as stong as a true closed deck motor.