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Old 10-27-2020, 10:29 PM   #234
Scargod
Scooby Specialist
 
Member#: 260314
Join Date: Oct 2010
Chapter/Region: NESIC
Location: S central CT, New England
Vehicle:
2007 STI
silver gray metallic

Default

Brecks,
What is your normal max RPM? Do you have any data logging capability?
It could easily be several things happening simultaneously. Your small, stock pump could be pooping out due to loose bearing clearances or it could be cavitating at higher RPM's. The centrifugal forces due to the high crankshaft rotation speeds (plus loose clearances) could also affect the oil system needs.
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