Originally Posted by Toby
3k regardless of type. You can get a full synthetic change with a good filter for under $40 from oreillys if you watch the sale ad. It's cheap insurance to know you always have fresh oil in there..
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Your serious?
Originally Posted by thelandshark
I do every 5k no matter what oil is used but I just use the motorcraft blend as I work for ford
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It all depends on driving style, oil type ( syn, blend,), weight.