[DML] Re: Re fuel

["Rob van der Veer" <rob.van.der.veer@xxxx>]

"robert parker" <roberthparke-@xxxx> wrote: 
original article:http://www.egroups.com/group/dmcnews/?start=7339

Is there a difference in octane values between U.S. and Europe? Here in
Holland, the only fuels we can get are 95 and 98 octane; this seems a
huge difference. Maybe they use a different formula over here..

Rob.

> Yep, I've had that discussion before... The 91 is the "anti-knock
index" 
> that is recommended for the 87 octane. I talked to a fellow in the
Texaco 
> office about the Octane vs. anti-knock index. Octane rating is the 
> comparison of volatility of a particular grade of fuel to the
volatility of 
> the 8-carbon, single-bond chain "Octane". It is derived from a
formula of 
> (R+M)Squared/2, which is used in the U.S. The DMC is a low
compression 
> engine, thus the lack of need for a higher octane rating. Check the
manual 
> again.(U.S. version).