Originally Posted by Joey289
Mobil 1 is a full Synthetic. The Motorcraft Oil the factory uses is a Synthetic blend.
Motorcraft does offer a full synthetic but I do not believe that is what the factory puts in these cars.
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Mobil 1 is a Base 3 POA which is not a full synthetic oil. Anything at a POA 4-5 is a fully synthetic motor oil. Mobil is advertised as full synthetic due to its great ability to protect against wear. I read an article in DSport magazine that I still have at home, that did a HUGE detailed review on motor oil in general. I typed out the entire article over on Corvetteforum. I will copy it here in a new thread. Stay tuned
-Alex