Motorcraft is marketed as a syn blend but is it anymore synthetic than Pennzoil conventional which is marketed as a conventional?
I am using Pennzoil Conventional 5w20 in my Ford 5.4 3v but wonder if Motorcraft adds anything over the Pennzoil conventional?
I am using Pennzoil Conventional 5w20 in my Ford 5.4 3v but wonder if Motorcraft adds anything over the Pennzoil conventional?