I have been using Motorcraft Semi Synthetic 5w-30 in my motor home(Ford V10 - 1999)for several years. I am considering changing to Walmart,s full synthetic. Price is nears the same. Any thoughts....
It is important that you maintain the specification as your manufacturer recommends but I do have one question as I too have contemplated changing to synthetic...
Will changing to synthetic make my engine last longer, and or will I get better performance? :h
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