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Old 11-29-2012, 09:34 AM   #9
xluben
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Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:
2002 WRX - 750WHP
9.5s @ 150mph

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Do the oil fill tube test. Then do a compression check. Both require arguably less work than pulling off the inlet like you already did. I'm going to have to agree with the rest here, probably a cracked ringland.
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