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Old 12-24-2013, 12:42 PM   #4469
Commander Keen
Scooby Specialist
 
Member#: 319157
Join Date: May 2012
Chapter/Region: MAIC
Vehicle:
2012 Impreza 4DR 5MT

Default

Subaru's lower limit for oil pressure is 7 PSI @ 600 RPM and 51 PSI @ 6000 RPM, so it looks like they believe in the "10 PSI per 1K RPM" rule.

Flow rates are 5.8 q/min and 55 q/min at those speeds respectively.

I'd install a pressure gauge before playing around with viscosity.
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