Density of Gasoline?

[Michael McBroom]

Jack,

> > I need a reasonably accurate density figure for
> > gasoline.
> 
> According to Bosch Automotive Handbook 2nd edition density
> in g/ml varies from .715 to .78 depending on time of year
> and reg/premium.

Thanks for the above cite -- I'll look for it.  Does it happen to
mention which side of the density range the octane ratings bias toward? 
My gut instinct wants to say the higher the octane rating, the higher
the density.

-- 
Best,

Michael McBroom