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Old 04-08-2013, 09:15 PM   #3
JarHarms
Scooby Specialist
 
Member#: 138994
Join Date: Jan 2007
Chapter/Region: MWSOC
Location: DeKalb-ish, IL
Vehicle:
06 WRX Ltd
02 Forester S

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It's not always just the oil's weight that affects the operation. I'd suggest draining the Amsoil out and refilling with Extra-S. See how that goes, it has worked for more than a few people. Motul is another that gets good comments but may not work in every case. Extra-S is slightly cheaper than Motul so why not? There are vendors taht sell Extra-S by the quart instead of the Subaru "mighty" pail.
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