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Old 07-25-2011   #10
Marc Haibeck
 
Join Date: May 2007
Location: Addison IL
Posts: 252
Default Re: Rizlone ZDDP additive

That's a very useful document. Thank you for supplying it.

According to the list the 15W-50 Mobil 1 product still has the full ZDDP EP package. I think that a 50 weight viscosity is too high for an engine with less than 100k miles. Except for the higher parasitic friction loss it would probably work well.
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