Originally Posted by 2door
By using the high priced stuff the only ones realizing a benefit is the oil company that sold it to you. There is absolutely no benefit to using high priced/octane fuel in a single cylinder low compression, 2 stroke engine designed to run on almost anything that will burn. Stop wasting your money and use the cheapest fuel you can get at the pump. Speed and power increases are only in your head, not your engine's.
The slant head may be an exception? Have you tried any of them, yet? We are both at similar altitudes. Also the said M.M. billet head is suggested for higher octane.