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Old 06-30-2008, 08:58 PM   #5
hotrod
Scooby Specialist
 
Member#: 14141
Join Date: Jan 2002
Location: 13.239@102.85 @ 5800 ft on 13T
Vehicle:
2002 Impreza WRX
e85forum.net

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A dry sump pulls a vacuum on the oil pan and pumps the oil and air into a holding tank where it has a chance to become de-aerated, then it pumps clean oil back to the engine.

They use several suction pump stages pulling oil from multiple locations in the engine and taking it all back to the surge tank.

Larry
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