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Old 03-12-2011, 09:02 PM   #26
boost4life
Scooby Specialist
 
Member#: 75129
Join Date: Nov 2004
Chapter/Region: MWSOC
Location: Marquette,mi area
Vehicle:
09 WRX stg 2+
Lost the boxer rumble

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I figure by letting the oil drain at least 15 minutes i'm getting more oil out then most people are. I usually open the valve and find something to do for 15 minutes or so.
I also can tell you almost all Caterpillar engines have a similar design FUMOTO type valve.
They come this way from the factory.
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