For any premium, LOF, I use a premuim Oil Filter, I stock MotorCraft and AC Delco Filters, my number 1 premiuim LOF is MotorCraft Semi- SYN oil and a MotorCraft Oil Filter, if I do say a Mobil 1 Oil Change I use a Premium Line Filter or OE. I just had 2 custom... Login to read more.