Thread: ('11-'14) FB20 Oil Analysis Thread
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Old 12-31-2013, 11:43 AM   #143
Commander Keen
Scooby Specialist
 
Member#: 319157
Join Date: May 2012
Chapter/Region: MAIC
Vehicle:
2012 Impreza 4DR 5MT

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Does anyone know the make up of our bearing shells?

I re-shelled an engine that used lead-over-copper bearings. High copper counts were an indicator that the lead layer had worn away. I'm trying to figure out where the copper in our engine is coming from.
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