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Old 11-14-2012, 05:15 PM   #16
pippen
Scooby Newbie
 
Member#: 171290
Join Date: Feb 2008
Chapter/Region: SCIC
Location: San Diego, CA
Vehicle:
2008 STi
Aspen White

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I was under the impression that blow by in your intake system can cause knock because of the degradation to your gasoline octane? Anyways I'm out of town for a couple days.. I'll update when I get back with compression test results.
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