Toluene write up

[Huw Powell]

> You took a different approach than my testing which will be to monitor
> performance rather than fuel economy.  I'm surprised that you achieved
> better mileage with higher octane fuel.  Can anyone out there explain
> why this might be the case for Ron's normally aspirated 5k?

According to my quick skim of the web site he mentioned, it's not
because it's higher octane (which just means it's less explosive, I
guess), it's because toluene has a higher energy density than gasoline.

More boom in the gallon, so more miles.  Apparently, a lot more boom.

If the toluene also meant less time in a poorer performing part of the
"ignition map," that might also affect economy as well as performance.

--
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/