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From: ix1037@sdcc6.UUCP (Christopher Latham)
Newsgroups: net.auto
Subject: Re: Abnormal Rear Tire Wear
Message-ID: <1897@sdcc6.UUCP>
Date: Fri, 1-Feb-85 00:43:52 EST
Article-I.D.: sdcc6.1897
Posted: Fri Feb  1 00:43:52 1985
Date-Received: Sat, 9-Feb-85 08:13:03 EST
References: <756@rocksvax.UUCP>, <4928@fortune.UUCP> <1213@akgua.UUCP>
Organization: U.C. San Diego, Academic Computer Center
Lines: 24

> 
>    The rationalle for rotating radial tyres on the same side of
> the car and NOT from corner to corner is the following:
> Radial tyres have belts of steel (usually) instead of strands
> of cords.  The belts thus take up a "set" when put on
> the car and run for awhile.  Rotating front to rear but NOT
> corner to corner ie right front to left rear assures that the
> tyres always roll the same direction.  If you rotate corner
> to corner the tyre is reversed on the car and in effect rolls
> backward against the "set" of the belts.  This increases
> wear because the tyre is not used to rolling that way.
> Does all this make sense.  
> 
> 
> Dan Philen   akgua!dlp

This is all well and good but Michelin makes no claims that their radial
tires must be kept on one side of the car once mounted on that side.

Christopher Latham
U.C.San Diego
Dept. of Applied Mechanics
and Engineering Sciences
..sdcsvax!sdcc6!ix1037