Its know way not now way! Actually there was a company back in the 1960's that may have started the synthetic oils that we know today. There is a history between Amsoil and Mobil and from my memory Mobil may have given Amsoil the basestocks for there oil. Maybe Mobil 1 had better advertising or availability in the 80's because that is all I saw on the shelves until Valvoline came out with a synthetic oil.I am in now way trying to start anything, buy I have always been under the impression that Amsoil was the Godfather of of synthetic oils.
Please inform me! I'm now very curious!
Fabulous50s you might want to Google Synthetic Oils and read everything!