A Royal Purple rep would never tell you that this oil will give you more power. The oil does have a high tollerence to sheering forces and a long drain life. It is not the oil that gives these properties but the addative package they put into the oil. There normal oil is availible in standard weights and they also have a compatition grade oil that has a higher consentration of the addative. I have personaly seen this oil out perform mobil 1 and castrol the only thing that came close was redline. I have seen RP gain 3whp on a dynopac at Knowledge Performance. If you don't want to switch to synthetic then I suggest the BG product MOA this is the oil addative package by itself and can be added to any oil.