I highly recommend going with a full synthetic engine oil like Rotella 5w40 synthetic... its available for $19.50 a gallon at Wally mart and they also sell the Motorcraft FL1995 filter for $10. If you are in a cold environment the syn oil will make a big difference in cold starting and warm up
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DJ Phoenix (my modded) Hi-1200/240Tow/75FS/80DD/100/140SS +Minotaur
ASE Master Auto Technician 
2001 Ford Excursion 7.3 4x4
Projects. 1970's Hustler and Max II Amphibious ATV's
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