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While its high load carrying characteristics, minimum foaming under stress and maximum resistance to thermal degradation stability and lubrication. Go with the proven winner, Valvoline.
This type oil is used in high performance engines. To be honest, I don't know if it is better or worse than any other. It would take some sort of test bed with competing types and brands to do find out. However, it is an oil recommended by others who have used i for a long period. It is not always easy to find it on the shelf, so the fact that you can get it online and at a good price is a great thing!