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OrbitalEllipses · 03-31-2012, 05:59 PM

Are you looking for specific instances where ONLY bore was changed?

In 2004 and 2005 the Subaru STI was sold with the EJ257 (99.5:79)engine for USDM; at the same time the the WRX was still using the EJ205 (92:75). The EJ25x series is essentially a bored out EJ20x series.

03-31-2012, 05:59 PM	#110
OrbitalEllipses Banned Join Date: Jan 2012 Drives: Attitude Location: MD Posts: 10,046 Thanks: 884 Thanked 4,890 Times in 2,903 Posts Mentioned: 123 Post(s) Tagged: 4 Thread(s)	Are you looking for specific instances where ONLY bore was changed? In 2004 and 2005 the Subaru STI was sold with the EJ257 (99.5:79)engine for USDM; at the same time the the WRX was still using the EJ205 (92:75). The EJ25x series is essentially a bored out EJ20x series.