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  1. W

    Schaeffer's Supreme 9000 / 7.3L PowerStroke

    My first Blackstone Report. Total miles on my Excursion 29,853. This report covers July/August/September with a lot of driving back and forth to Canada, sometimes towing a 1000 pound trailer. Also, there were several miles of dusty roads. Air filter was Fram -since changed to Ford AIS - and oil...
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