will 2.5 heads fit on a 2.2? MY01

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May 2, 2003 | 04:56 PM

mysubaruimp

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From: dover, NH

Car Info: 2001 sub. imp.

will 2.5 heads fit on a 2.2? MY01

what is the difference in these heads? do they bolt up? if so, any power gains to be had?

May 3, 2003 | 09:48 AM

fast legacy

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cr drop

i seem to remember that the 2.5 heads will bolt up and flow better than the 2.2 heads, but this ends up dropping the compression ratio a bit. ideal for a turbo setup but not for keeping your car n/a

can anyone confirm this?

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