B in B
I just reread your post. The
oil issue shouldn't be an issue. A number of major manufacturer's use systhetics right from the factory. Mercedes, Corvette, and others. My wife's ML 320 came with Mobil 1 and the first
oil change wasn't due until 10,000 miles or one year, which ever came first. (The times, they are a changin') I personally have used Mobil 1 for years with no adverse results. I've also used "Prolong" (additive) which quieted things down some but it's getting real hard to get in my area. As far as helping an engine run cooler, logically that seems ok but I really haven't experienced that.