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- MP5T / 944
jdm4lyf9 said:I use mobil 1. I ran royal purple and one point and really didn't notice much of a difference. Mobil 1 feels the same to me and its cheaper than royal purple.
I don't believe you are supposed to "feel a diference", It's more about the product lasting and protecting better under normal and adverse conditions.
If the oil is no better than the other then I'm out a couple bucks, But if the oil prevents my Mains from failing, then I would gladly pay anything, It's like insurance I suppose, It's said to be better, It's been tested better, Let's hope it is..
