these are the numbers that I get in Boulder. I couldn't remember them at
the time so I didn't throw them in.
James Nazarian
71 B Roadster
71 BGT
63 Buick 215
"Aerodynamics are for people who cannot build engines"
Enzo Ferrari
----------
> From: David Councill <dcouncil@imt.net>
> To: James Nazarian Jr <James.Nazarian@colorado.edu>; Andrew B. Lundgren
<lundgren@iname.com>
> Cc: Bullwinkle <yd3@nvc.net>; mgs@autox.team.net
> Subject: Re: Octane and altitude ratios???
> Date: Tuesday, July 04, 2000 7:07 PM
>
> I thought of that idea too, but I think our petrol here in Montana is
also
> about two points lower than sea level. You didn't mention numbers but
> regular unleaded here is 85. And we are only at 4000 feet above sea
level.
>
> I couldn't find any info from my old college engineering books on any
> calculations. At this point, I'm curious as to whether petrol gets lower
> than 85 octane in high elevation areas because I don't recall seeing it
any
> lower. And I'm thinking that the regular petrol at sea level is 87.
>
> David
> 67 BGT
> 71 BGT
>
> At 05:50 PM 7/4/00 -0600, James Nazarian Jr wrote:
> >I don't have equations, but I think the gas companies have done that
> >already. The lowest octane gas here in CO is two points lower than the
> >lowest octane at sea level. Like I said, no formulas, but there is a
two
> >point drop in the ~6000 feet between here and sea level, so maybe you
> >could approximate -1pt per 3000ft.
> >
> >James Nazarian
> >'71 B roadster
> >'71 BGT rust free and burnt orange
> >'63 Buick 215
> >
> >"Aerodynamics are for people who cannot build engines"
> >Enzo Ferrari
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