June 5, 20169 yr Author I know the 01 has a 2.5 and my 99 heads are 2.2, but the 01 has bad heads and I have a brand new set of 99 2.2 heads sitting in my shop.
June 6, 20169 yr So, this doesn't create a 'Phase 2 / II ' Frankenstein / Franken Engine w/elevated CR? And since the HG needs to match the bore of the block, I'd look into using an '04-'07 STi HG....from what I've read online. TD
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