Jstang23
Well-Known Member
You are correct. I used full synthetic on my V6 because I had always used full synthetic and did not do my homework and read the manual. Had always thought full synthetic oil was always better. Now with a much more expensive and complicated car I took my time and did the research and its clearly not the case.I don't see in the Ford car manual that Ford recommends full synthetic motor oils. They recommend 5W-30 synthetic blend or conventional motor oil.
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