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Re: [Fot] Toyo R888 - tyre pressures?

To: fot@autox.team.net
Subject: Re: [Fot] Toyo R888 - tyre pressures?
From: Jim Norlin <norlinengineering@comcast.net>
Date: Thu, 29 Sep 2016 20:04:36 -0700
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This is consistent with what I've seen.  With our Spitfire weighing in 
slightly heavier than yours, we typically start out at 26 or so 
depending upon the ambient temp.  Much higher in this light of a car and 
the grip seems to go away, at least in my experience.


On 9/28/2016 8:34 AM, Scott Janzen wrote:
> my GT6 is heavier - 2050 lb with me in it, and 6x13 wheels.  Toyo told 
> me tire pressures should end up in the mid-to-high 30 lb range once 
> hot.  I usually start out at 28-29 and find they pick up 7 psi once 
> warmed up, in summer weather.
>
>
> On Sep 28, 2016, at 10:16 AM, Robert MacKenzie wrote:
>
> What cold tyre pressures are you using for the R888s?
> The car is a '62 Spitfire - 1425 Lbs with 5.5x13 wheels  The tyres 
> have been shaved and heat cycled.
> I have heard that they work best hot in the low 40 psi range and you 
> should start off at 33-35 psi.
> Looking for others thoughts and experiences.
> Thanks
> Robert MacKenzie
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    <p>This is consistent with what I've seen.  With our Spitfire
      weighing in slightly heavier than yours, we typically start out at
      26 or so depending upon the ambient temp.  Much higher in this
      light of a car and the grip seems to go away, at least in my
      experience.    <br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 9/28/2016 8:34 AM, Scott Janzen
      wrote:<br>
    </div>
    <blockquote cite="mid:7346ECF2-124F-4344-9A9D-DA6295E99DED@me.com"
      type="cite"><base href="x-msg://33/">my GT6 is heavier - 2050 lb
      with me in it, and 6x13 wheels.  Toyo told me tire pressures
      should end up in the mid-to-high 30 lb range once hot.  I usually
      start out at 28-29 and find they pick up 7 psi once warmed up, in
      summer weather.  
      <div><br>
      </div>
      <div><br>
        <div>
          <div>On Sep 28, 2016, at 10:16 AM, Robert MacKenzie wrote:</div>
          <br class="Apple-interchange-newline">
          <span class="Apple-style-span" style="border-collapse:
            separate; font-family: Verdana; font-style: normal;
            font-variant: normal; font-weight: normal; letter-spacing:
            normal; line-height: normal; orphans: 2; text-align:
            -webkit-auto; text-indent: 0px; text-transform: none;
            white-space: normal; widows: 2; word-spacing: 0px;
            -webkit-border-horizontal-spacing: 0px;
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            -webkit-text-size-adjust: auto; -webkit-text-stroke-width:
            0px; font-size: medium; ">
            <div link="blue" vlink="purple" lang="EN-US">
              <div class="WordSection1" style="page: WordSection1; ">
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; ">What cold
                  tyre pressures are you using for the R888s?<o:p></o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; ">The car is a
                  '62 Spitfire - 1425 Lbs with 5.5x13 wheels  The tyres
                  have been shaved and heat cycled.<o:p></o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; ">I have heard
                  that they work best hot in the low 40 psi range and
                  you should start off at 33-35 psi.<o:p></o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; ">Looking for
                  others thoughts and experiences.<o:p></o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; 
">Thanks<o:p></o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; ">Robert
                  MacKenzie<o:p></o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><a
                    moz-do-not-send="true"
                    href="mailto:robert@mackenzie.aero"; style="color:
                    blue; text-decoration: underline; 
">robert@mackenzie.aero</a><o:p></o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
                <div style="margin-top: 0in; margin-right: 0in;
                  margin-left: 0in; margin-bottom: 0.0001pt; font-size:
                  11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div>
              </div>
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