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Care to tell me why GM "recommends Mobil 1" in Corvettes? Write me a 500 word essay on the brainwashing effects of advertising. GM gets paid by Exxon/Mobil to "recommend Mobil 1." Nearly every lab test that has ever come back from Mobil 1 oils on the LS1 has shown it's not even close to the best oil. Mobil 1 has been downgraded to a group III synthetic - AKA not a real synthetic - and the proof is in the UOA's - consistently much higher amounts of iron in the UOA's due to poor protection of components.
Umm...you can't call them "uncontrolled variables" when Mobil 1 has shown higher wear numbers in almost every single test. It's not "uncontrolled variables" when it's consistent. Mobil 1 simply isn't the oil it used to be. This has been proven without a doubt.
No, it's not. It's Mobil 1 nutswingers that simply buy it because it says so on the oil cap of a different car - a Corvette. I swear, you could put "Use Only Filippo Berio Olive Oil" on the oil filler cap of the LS1 and people would actually do that.
BTW, this month at Autozone, if you buy 5 quarts or more of GC 0W-30, you get a free Bosch oil filter. There's almost ALWAYS some kind of special with Castrol Syntec, unlike Exxon/Mobil products. It doesn't help that Exxon/Mobil is the largest and most greedy of the oil companies, they never have sales, either.





