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    SM vs. SL Motorcraft 5W-20

    I just noticed that bottles of Motorcraft 5W-20 oil finally bear a true "SM" API stamp -- previously the bottles bore an "SL" stamp, with an added notation that the oil met "SM" service criteria. Does anyone know if this change in labeling is the result of an actual reformulation of the...
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    Oil Regimen For New F-150 With The 5.4

    I've just purchased a new Ford F-150 with the 5.4 L engine. This truck will be a real "Garage Queen" and is only intended to be used as a toy on sunny weekend afternoons. I suspect I will probably only put about 3000 miles per year on it - mostly in the form of 20 mile trips for weekend...
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