As always with, threads like this - 2 sides to every story. To the OP, try it Dominic. If it works in your application, you can save a lot of $. I am not a chemist, but I do know the make up of Av gas is a lot different then race or pump gas - as are the engines they are ment to be used in - no BS on that one. I don't see where the OP could have some major catastrophic engine failure by trying it. I personally would not use it, especially on the street, but in a race car application where you can control engine and engine bay temps, . If you decide to try it Dom, keep us tuned in on the results.