Here is a recent VOA of this oil (within the video). The virgin oxidation reading for this oil is even higher than other RL grades, suggesting this oil has even more POE in it than the other grades. The FTIR also lends itself to that point, although exact concentrations can't be determined. This oil is absolutley potent. The Amsoil 0w40 also contains a good amount of ester, but has an additive package formulated more for LSPI.
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