Yes, all fuels do because it is measured in an engine. The
power output and burning rate determine octane by the engine
method.


--
James H. Macklin
ATP,CFI,A&P

--
The people think the Constitution protects their rights;
But government sees it as an obstacle to be overcome.
some support
http://www.usdoj.gov/olc/secondamendment2.htm
See http://www.fija.org/ more about your rights and duties.


"Kingfish" wrote in message
oups.com...
| The fuel's octane rating changed based on mixture
setting??
|