As compared to : Pennzoil Pure Platinum , Castrol Edge Quaker State Ultimate Durability and Valvoline Advanced Full Synthetic - Mobil 1 seems to attract a fair ammount of haters here ... Is Mobil 1 really that bad of a synthetic oil considering Corvette and high end European autos use it as a factory fill ? Anyone had a major engine issue or failure attributed to Mobil 1 ? Is a different resonance engine sound while using Mobil 1 really anything that contributes to being a poor quality oil ? Wear metals appeared to have a "blip" at one time where they appeared high in Mobil 1 relation to previous OCI's - but is that still a problem ? ... Lastly , I'm no Mobile 1 fan boy - just asking what the continued , current hate for Mobil 1 stems from ?