octane baby!

[jdbubb at ix.netcom.com (Dan Bubb)]

Rumor has it that higher octane gas has less energy content per unit volume.
i.e. higher octane gas will give you less MPG.
In any case it certainly doesn't have 10% more energy per unit volume to
make it cost effective.
Use high octane if you need it. The JH doesn't.
A JH with 8.5 CR will be happy with the cheapest swill available at the
pump.
Dan

----- Original Message -----
From: Dan Smith <sad_rocc@yahoo.com>
To: <scirocco-l@scirocco.org>
Sent: Sunday, September 14, 2003 6:27 PM
Subject: octane baby!


> Yeah, a corny play on a song title, but I couldn't resist. Anyways, CO has
octane ratings at the pump ranging from 85 to 94. With gas prices ranging
from $1.77 to 1.99 respectively, I want to see if I can settle this hot
debate among my housemates. Does higher octane gas equal better gas mileage?
And enough of a better mileage to make it cost effective? This would be for
my relatively stock 84 8v, which doesn't deserve high octane gas if it
doesn't make a difference mileage-wise. When responding, please try to keep
the formula equations to a minimum as high school chem was a long time ago
and I just squeeked by.
>
> TIA,
> Dan
>
>
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