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From: ix1037@sdccs6.UUCP (Christopher Latham)
Newsgroups: net.auto
Subject: Leaded gas and old engines vs. new engines
Message-ID: <1573@sdccs6.UUCP>
Date: Thu, 5-Jul-84 02:55:01 EDT
Article-I.D.: sdccs6.1573
Posted: Thu Jul  5 02:55:01 1984
Date-Received: Sun, 1-Jul-84 08:22:22 EDT
Organization: U.C. San Diego, Computer Center
Lines: 13

My father being the owner of cars made in the days before all cars were
required to use unleaded gas is somewhat concerned with the upcoming
demise of leaded gas. It could mean a large problem for the valves in
his engines. What he has been wondering is what the difference is
between the valves on old cars which require leaded gas for valve life
to be reasonable and the new cars which run on unleaded gas. Just what
have the auto makers changed to give the same life to engines running on
unleaded gas. Replies by mail would be reatly appreciated.
				Christopher Latham
				U.C.San Diego
				Dept. of Applied Mechanics
				and Engineering Sciences
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