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Old 08-05-2007, 02:12 PM   #5
Spilner
Scooby Specialist
 
Member#: 63977
Join Date: Jun 2004
Chapter/Region: NESIC
Location: Mass
Vehicle:
2005 STi
WRB

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Quote:
Originally Posted by gto7419 View Post
I did a lot of reading also before I went dohc.... If you ask some of the gurus, they will tell you the sohc 2.5 heads are very good heads, but in the end, the dohc heads have better real world flow.
all I can find so far as the main difference between the two other than the obvious is that the dohc heads lower compression quite a bit.
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