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Path: utzoo!watmath!clyde!burl!ulysses!allegra!alice!wookie
From: wookie@alice.UUCP
Newsgroups: net.auto
Subject: Re: Octane ratings, 1973 vs 1984 - (nf)
Message-ID: <2865@alice.UUCP>
Date: Wed, 20-Jun-84 16:37:22 EDT
Article-I.D.: alice.2865
Posted: Wed Jun 20 16:37:22 1984
Date-Received: Fri, 22-Jun-84 07:57:28 EDT
References: <1541@zehntel.UUCP>
Organization: AT&T Bell Laboratories, Murray Hill
Lines: 8

The engine test method used for the octane ratings was
in an engine with variable compression ratio.  The
ratio was increased until detonation began and from that
info the octane number was deduced by comparing the fuel
under test to pure octane.

				Keith Bauer
				White Tiger Racing