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Old 06-28-2013, 11:44 AM   #93
Scooby Specialist
Member#: 43950
Join Date: Sep 2003
Chapter/Region: MWSOC
Location: Minneapolis, MN
07 WRX LTD Wagon
Satin White Pearl


Wow. That KV100 is pretty poor, Amsoil Euro starts out at 12.2 cSt - that's 25% shear! Pretty poor performance from such an expensive oil which is recommended for high performance, long drain European applications.

The wear metals look pretty good compared to your last UOA.

TBN of 2.2 shouldn't be scary in this low-SAPS oil, they generally stabilize in the 1.8-2.2 range for many miles.

Prior to this UOA, this would've been my first choice in the Amsoil lineup for most street driven turbo Subaru applications, no longer. It'll be interesting to see how AFM does. Now someone should try AFF 0w40 (4-stroke powersports oil).
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