Oh, I didn't answer the rest of your question! But, no, I can't think of anything I don't like about the 6.2. One other thing I do like, which is a function of the power increase, is it seldom shifts down on cruise going up hills and such. This is one thing often mentioned as aggravating by people that drive 5.3's.
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"You know when I drink alone, I prefer to be by myself."
George Thorogood