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rebulding an engine


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Well the subaru engine is a sleeved engine. You cant bore out a sleeve normally (there is always someone that says they have). The sleves are already as thin walled as they can get, and there is no extra meat in the cylinders to take out and extra meat.

 

nipper

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You can bore it slightly- the only reason you would do it is if its out of spec due to wear. You definitely wont get any significant increase in swept volume from it, for the reasons stated above.

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