my X2B's '77 Spit and my '80 both same from the showroom
with Semperits stock ( 155SR-13's )
Paul Tegler wizardz@toad.net http://www.teglerizer.com
1973 MGBGT - daily driver
http://www.teglerizer.com/mgstuff/ob_description.htm
1978 Spitfire - in superb Shape
http://www.teglerizer.com/triumphstuff/spit78.htm
1973 Round wheel Arch wire wheel Midget
http://www.teglerizer.com/midgetstuff/index.html
-----Original Message-----
From: Andrew Mace <amace@unix2.nysed.gov>
To: Chris Pappathopoulos <ctpappathopo@students.wisc.edu>
Cc: spitfire <spitfires@autox.team.net>
Date: Thursday, February 10, 2000 5:17 PM
Subject: Re: Beating a Dead Horse
>
>On Thu, 10 Feb 2000, Chris Pappathopoulos wrote:
>
>> Actually I believe that .87 G quote came from Road and Track or Car and
>> Driver. When showroom stock was introduced they tested all the cars in
>> racing trim, so this would have included showrrom stock legal tires at
>> the time. Since I am not old enough to know what this would have been,
>> I'm assuming it would have been like a DOT legal race tire of today. So
>> this tire may have been similar to todays performance street tires that
>> come on the cars you mentioned. Or maybe I'm all wrong.
>
>A bit of history (at least as I remember it): Showroom Stock class cars
>were allowed pretty much any DOT-legal tire in the original size or
>original optional equipment size. Remember, the Spitfire, until the 1974
>model year, came standard with 5.20 x 13 bias ply tires (guess what was
>replaced very early in my Mk3's existence in the early 1970s, and with
>Dunlop CB-73's no less). The optional size, later to become standard,
>usually was a 155SR-13 (earlier cars had 145SR-13 radials as optional). At
>any rate, tires for Showroom Stock were "off the shelf" items but were
>shaved to about half of the original tread depth to true and square them
>up and also make them last longer, stick better, jump higher, etc.
>
>I'm assuming the .87g figure was obtained NOT from bias-ply Dunlop Gold
>Seals but from the hot tire of the day in 1973 (Semperit? Phoenix? I don't
>remember all these years later. Look it up in Car & Driver or Road &
>Track).
>
>> BTW I used the .87 G quote to tell my mom I'd be able to manuever out of
>> an accident, so the spit was just as safe as a big car that can't get
>> out of its own way.
>
>And she bought that line? :-)
>
>--Andy
>
>* * * * * * * * * * * * * * * * * * * * * * *
>* Andrew Mace, President and *
>* 10/Herald/Vitesse (Sports 6) Consultant *
>* Vintage Triumph Register <www.vtr.org> *
>* amace@unix2.nysed.gov *
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>
>
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