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Re: [Healeys] Thermostats

To: healeys@autox.team.net
Subject: Re: [Healeys] Thermostats
From: Kees Oudesluijs <coudesluijs@chello.nl>
Date: Tue, 11 Sep 2018 18:37:58 +0200
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And another one:

https://www.etypeparts.com/8502580-jaguar-smiths-thermostat-80-degrees-nos


Kees Oudesluijs



Op 10-9-2018 om 21:44 schreef BJ8Healeys:
>
> Fred, I personally believe a 160-deg. F thermostat used in an effort 
> to "cool down" a Healey is useless.  A thermostat responds only to the 
> temperature of the coolant flowing through it by opening up to 
> increase coolant flow, and once it is open all the way at 160+, it is 
> out of the loop and can't open further to cool more.  I am on the NC 
> coast where winters are mild.  I once tried a 160 (non-sleeved) 
> because I had one that someone gave me.  My BJ8 ran so cold that 
> winter that I actually had to block part of the radiator to raise it 
> to anywhere near normal.  Up there in the NC mountains, that would be 
> even more of a problem for you.
>
> I use a 187 F (86 C) New Old Stock AC sleeved thermostat (AC part 
> number 1572320) that I was able to score from lister Kees Oudesluijs.  
> I installed it along with an upgraded core in the radiator at the same 
> time, so I can't really say how much improvement the thermostat alone 
> did; but since the modification my car runs consistently at 170 - 180 
> in the hot summers of the NC coast, except when in stop-and-go traffic 
> when it might make it to 190 or a bit above.  In winter, it runs at 
> 160 - 170.  I can see the sleeve operate as the car warms up because 
> the gauge will cycle between 160 and 190 until coolant temperature 
> stabilizes.  That can take up to 50 miles.
>
> A friend placed an order later with Kees for several of the 190 F 
> sleeved thermostats.  I got one of those as a spare.  Don't know if he 
> has any left, or can get more.  As far as I know, the only sleeved 
> thermostats available from the usual suspects are 160s and I wouldn't 
> waste my money on them.
>
> I just Googled the AC part number and came up with this source:
>
> *https://tinyurl.com/y9c6n53h*
>
> Unfortunately, it does not post to the USA (but on the bright side, it 
> offers free shipping!). Maybe you could work out a deal with a UK 
> lister to buy one for you and ship it to you.  £19.99 = $26.04
>
> Steve Byers
>
> HBJ8L/36666
>
> BJ8 Registry
>
> AHCA Delegate at Large
>
> Havelock, NC
>
> *From:*Healeys [mailto:healeys-bounces@autox.team.net] *On Behalf Of 
> *Fred Wescoe
> *Sent:* Sunday, September 09, 2018 8:38 PM
> *To:* healeys
> *Subject:* [Healeys] Thermostats
>
> Listers,
>
> I have researched what I can of the archives and other sources and am 
> still puzzled.  I cannot find any real answers and direction on the 
> question of which thermostat I should use in my 66 BJ8.  Some answers 
> indicate a sleeved thermostat and others say no sleeve. Some say a 
> short sleeve and others say only the long sleeve works.  Some answers 
> indicate using a 160 degree thermostat while others propose 180 
> degrees and even 190 degrees.  Some even say the Moss sleeved 
> thermostat does not work.
>
> I am in North Carolina and drive the car most of the year.  Right now 
> the car has a non sleeved 190 degree thermostat.  The car starts and 
> needs to warm up, at idle, to almost full temp before it runs with no 
> problems.  Otherwise it spits, coughs and has no power. The car runs 
> at about 190 degres except when I drive the mountains and of course 
> stop and go traffic.
>
> What is the consensus of thoughts as we approach colder weather?  And 
> what are the sources and manufacturer for a good thermostat?
>
> Thanks for the help,
>
> Fred
>
> 66BJ8
>
>
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    <p>And another one:</p>
    <p><a class="moz-txt-link-freetext" 
href="https://www.etypeparts.com/8502580-jaguar-smiths-thermostat-80-degrees-nos";>https://www.etypeparts.com/8502580-jaguar-smiths-thermostat-80-degrees-nos</a></p>
    <p><br>
    </p>
    <p>Kees Oudesluijs</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 10-9-2018 om 21:44 schreef
      BJ8Healeys:<br>
    </div>
    <blockquote type="cite"
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      <div class="WordSection1">
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">Fred, I personally believe a
            160-deg. F thermostat used in an effort to "cool down" a
            Healey is useless.  A thermostat responds only to the
            temperature of the coolant flowing through it by opening up
            to increase coolant flow, and once it is open all the way at
            160+, it is out of the loop and can't open further to cool
            more.  I am on the NC coast where winters are mild.  I once
            tried a 160 (non-sleeved) because I had one that someone
            gave me.  My BJ8 ran so cold that winter that I actually had
            to block part of the radiator to raise it to anywhere near
            normal.  Up there in the NC mountains, that would be even
            more of a problem for you.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">I use a 187 F (86 C) New Old Stock
            AC sleeved thermostat (AC part number 1572320) that I was
            able to score from lister Kees Oudesluijs.  I installed it
            along with an upgraded core in the radiator at the same
            time, so I can't really say how much improvement the
            thermostat alone did; but since the modification my car runs
            consistently at 170 - 180 in the hot summers of the NC
            coast, except when in stop-and-go traffic when it might make
            it to 190 or a bit above.  In winter, it runs at 160 - 170.
             I can see the sleeve operate as the car warms up because
            the gauge will cycle between 160 and 190 until coolant
            temperature stabilizes.  That can take up to 50 
miles.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">A friend placed an order later with
            Kees for several of the 190 F sleeved thermostats.  I got
            one of those as a spare.  Don't know if he has any left, or
            can get more.  As far as I know, the only sleeved
            thermostats available from the usual suspects are 160s and I
            wouldn't waste my money on them.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">I just Googled the AC part number
            and came up with this source:<o:p></o:p></span></p>
        <p class="MsoNormal"><b><span
              style="font-size:11.0pt;font-family:&quot;Comic Sans
              MS&quot;;color:#002060"><a
                href="https://tinyurl.com/y9c6n53h";
                
moz-do-not-send="true">https://tinyurl.com/y9c6n53h</a><o:p></o:p></span></b></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">Unfortunately, it does not post to
            the USA (but on the bright side, it offers free shipping!). 
            Maybe you could work out a deal with a UK lister to buy one
            for you and ship it to you.  £19.99 = $26.04 </span><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">Steve Byers</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#002060"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">HBJ8L/36666</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#002060"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">BJ8 Registry</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#002060"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">AHCA Delegate at Large</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#002060"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060">Havelock, NC  </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#002060"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#002060"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:&quot;Comic Sans
            MS&quot;;color:#002060"><o:p> </o:p></span></p>
        <div style="border:none;border-top:solid #B5C4DF
          1.0pt;padding:3.0pt 0in 0in 0in">
          <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">
              Healeys [<a class="moz-txt-link-freetext" 
href="mailto:healeys-bounces@autox.team.net";>mailto:healeys-bounces@autox.team.net</a>]
 <b>On
                Behalf Of </b>Fred Wescoe<br>
              <b>Sent:</b> Sunday, September 09, 2018 8:38 PM<br>
              <b>To:</b> healeys<br>
              <b>Subject:</b> [Healeys] Thermostats<o:p></o:p></span></p>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <div>
          <p class="MsoNormal">Listers,<o:p></o:p></p>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <div>
            <p class="MsoNormal">I have researched what I can of the
              archives and other sources and am still puzzled.  I cannot
              find any real answers and direction on the question of
              which thermostat I should use in my 66 BJ8.  Some answers
              indicate a sleeved thermostat and others say no sleeve. 
              Some say a short sleeve and others say only the long
              sleeve works.  Some answers indicate using a 160 degree
              thermostat while others propose 180 degrees and even 190
              degrees.  Some even say the Moss sleeved thermostat does
              not work.<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <div>
            <p class="MsoNormal">I am in North Carolina and drive the
              car most of the year.  Right now the car has a non sleeved
              190 degree thermostat.  The car starts and needs to warm
              up, at idle, to almost full temp before it runs with no
              problems.  Otherwise it spits, coughs and has no power. 
              The car runs at about 190 degres except when I drive the
              mountains and of course stop and go traffic.<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <div>
            <p class="MsoNormal">What is the consensus of thoughts as we
              approach colder weather?  And what are the sources and
              manufacturer for a good thermostat?<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Thanks for the help,<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Fred<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">66BJ8<o:p></o:p></p>
          </div>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
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