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Old 05-21-2013, 10:35 PM   #22
gpshumway
Scooby Specialist
 
Member#: 43950
Join Date: Sep 2003
Chapter/Region: MWSOC
Location: Minneapolis, MN
Vehicle:
07 WRX LTD Wagon
Satin White Pearl

Default

Looks pretty typical of a factory fill UOA. Yours held viscosity better than some, or it possibly was thinner earlier and has gotten thicker with continued use.

Amazingly low Fe and Al. Also surprisingly low TBN for 3,000 miles. Makes you wonder about taking it to 7,500 mi. This oil would have to be very overbased to hold its TBN for another 4,200 mi. It's got a lot of Calcium, but 3.2 TBN less than halfway through the OCI is a bit concerning.
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