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From: res@ihlpl.UUCP (Rich Strebendt @ AT&T Information Systems - Indian Hill West; formerly)
Newsgroups: net.auto
Subject: Re: mileage and performance with hi-octane gasoline
Message-ID: <340@ihlpl.UUCP>
Date: Mon, 16-Sep-85 23:26:53 EDT
Article-I.D.: ihlpl.340
Posted: Mon Sep 16 23:26:53 1985
Date-Received: Wed, 18-Sep-85 05:46:38 EDT
References: <610@osu-eddie.UUCP>
Organization: AT&T Bell Laboratories
Lines: 17

> From: sutter (Bob Sutterfield)
> 
> High-octane gasoline contains more energy per gallon than low-octane gas,
> right?

Wrong.  The difference is in the ability of the gas to undergo
compression without igniting.

> I mean, it accelerates better, hesitates less, and knocks very
> little on Super Unleaded as compared to driving on Regular Unleaded.  So a
> gallon of it should drive my car further (more mpg) than would low-octane
> gas, right?

Wrong.  There should be very little, if any, difference in MPG.

					Rich Strebendt
					...!ihnp4!iwsl6!res


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