08-09-2012
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#81
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: Which oil do you use
Quote:
Originally Posted by Blue Flame Restorations
Dom, have you compared the ZDDP data from a few yrs ago vs today's levels in the Castrol you're buying? I'm told that the levels were dropped when catalytic converters were required on the big rigs.
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Castrol PDS
1300 ppm zinc
http://www.castrol.com/liveassets/bp...GTX_Diesel.pdf
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