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Old 10-25-2009   #2
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,669
Default Re: What is the best oil for the beast.

I'm using the Castrol GTX 15W-40 Diesel. It has the levels of zinc etc that everyone's been talking about here at $4/qt. No additives necessary.
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