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Re: [Healeys] Thermostats

To: healeys@autox.team.net
Subject: Re: [Healeys] Thermostats
From: Kees Oudesluijs <coudesluijs@chello.nl>
Date: Mon, 17 Sep 2018 16:53:21 +0200
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
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7 Psi should be more than enough on these old engines. Water pump seal 
may fail (as mentioned), so may the hoses and the original style 
radiator if you operate under a higher pressure. Modern cars can take 
much higher pressures of  20Psi or more. If your cooling system is up to 
scratch there should not be a problem. i.e. clean system, radiator with 
enough capacity, thermostatically controlled electric fan to keep things 
under control in dense traffic and hot weather. The electric fan may not 
be original but when these cars were new traffic conditions were not as 
demanding as in these days. It just keeps you out of trouble at very 
little costs and a bit of ingenuity (breakers yard).

Kees Oudesluijs



Op 17-9-2018 om 14:14 schreef Michael Salter:
> Also, with respect to cooling system pressure, the water pump seal in 
> the 6 cylinder engines typically won't handle much over 10 p.s.i.. M
> ------------------------------------------------------------------------
> *From:* Healeys <healeys-bounces@autox.team.net> on behalf of David 
> Nock <healeydoc@gmail.com>
> *Sent:* Sunday, September 16, 2018 11:16:50 PM
> *To:* Linwood Rose
> *Cc:* Forum Healeys
> *Subject:* Re: [Healeys] Thermostats
> If you are using the alloy radiator you have a short neck cap. 
> Depending on the press?s app you are using you can not use a bellows 
> type thermostat. Because the bellows will collapse if you use anything 
> over 7 lbs. Then the thermostat will close and the engine will overheat.
>
> Sent from my iPhone
>
> On Sep 16, 2018, at 7:19 AM, Linwood Rose <linwoodrose@mac.com 
>
>> I would like to go back to Steve Byers? comment. I am not so much 
>> concerned about my car overheating. When the engine was rebuilt it 
>> was thoroughly cleaned to get rid of all sludge. I run an aluminum 
>> radiator, have built and installed air ducting for improved flow. I 
>> do not have an electric fan.
>>
>> My problem was that my engine ran cool and would take quite a while 
>> to ?warm up.? I think I was using a 165 degree (or thereabouts) 
>> non-sleeved thermostat. Robert Shaw as I recall. So I wanted to get 
>> my engine up to 185-190 degrees sooner. I went with one of the same 
>> AC sleeved thermostats 82 degrees centigrade from Kees that Steve 
>> used. The engine seems to be much happier and gets to running temp 
>> more quickly.
>>
>> At least for my engine, a 160-165 degree thermostat keeps things cool 
>> too long. In a perfect world I would prefer David Nock?s bellows 
>> thermostat but with a 185-190 degree opening. Since that doesn?t seem 
>> to be available I think I will stick with the AC unit and keep my eye 
>> on the temp. Gauge.
>>
>> I am no authority on this. I am simply passing along my experience. 
>> Am I understanding all of this correctly?
>>
>> Thanks,
>> Lin
>>
>> Sent from my iPhone
>>
>> On Sep 15, 2018, at 9:30 PM, Rossm <rvmaylor@shaw.ca 
>>
>>> To be fair Michael, it is hot maybe three days a year in Canada?:) . 
>>>  I left Calgary yesterday for the Rendezvous and it was snowing 
>>> already. First time the hood contraption on the BN6 has been up 
>>> since last September.
>>>
>>> Sent from my iPhone
>>>
>>> On Sep 15, 2018, at 10:50, Michael Salter <michael.salter@gmail.com 
>>>
>>>> Well I have watched this discussion on sleeved thermostats for the 
>>>> last week but now I just have to say. When the sleeved thermostats 
>>>> went NLA, about 45 years ago, we resorted to installing just plain 
>>>> old Stant 175 degree stats and guess what ... not one complaint or 
>>>> comment on running hotter or overheating and absolutely no sign of 
>>>> any symptoms of overheating on my own BJ8 even in the hottest of 
>>>> ambient temperatures. It just didn't happen!!! Just sayin'. M
>>>> ------------------------------------------------------------------------
>>>> *From:* Healeys <healeys-bounces@autox.team.net 
>>>> *Sent:* Saturday, September 15, 2018 10:35:32 AM
>>>> *To:* Forum Healeys
>>>> *Subject:* [Healeys] Thermostats
>>>> Three sleeved thermostats, one on the right 160 degrees, middle no 
>>>> idea,  left is a Smiths x85002s/86 (180F) and has failed open.
>>>>
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>> _______________________________________________
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>> <http://www.team.net/donate.html>
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>
> _______________________________________________
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    <p>7 Psi should be more than enough on these old engines. Water pump
      seal may fail (as mentioned), so may the hoses and the original
      style radiator if you operate under a higher pressure. Modern cars
      can take much higher pressures of  20Psi or more. If your cooling
      system is up to scratch there should not be a problem. i.e. clean
      system, radiator with enough capacity, thermostatically controlled
      electric fan to keep things under control in dense traffic and hot
      weather. The electric fan may not be original but when these cars
      were new traffic conditions were not as demanding as in these
      days. It just keeps you out of trouble at very little costs and a
      bit of ingenuity (breakers yard).<br>
    </p>
    <p>Kees Oudesluijs</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 17-9-2018 om 14:14 schreef Michael
      Salter:<br>
    </div>
    <blockquote type="cite"
cite="mid:BN6PR22MB085295BDEBD870CC855FDD61A11E0@BN6PR22MB0852.namprd22.prod.outlook.com">
      <meta http-equiv="Content-Type" content="text/html;
        charset=windows-1252">
      <meta content="text/html; charset=utf-8">
      Also, with respect to cooling system pressure, the water pump seal
      in the 6 cylinder engines typically won't handle much over 10
      p.s.i.. M
      <hr tabindex="-1" style="display:inline-block; width:98%">
      <div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
          face="Calibri, sans-serif" color="#000000"><b>From:</b>
          Healeys <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys-bounces@autox.team.net";>&lt;healeys-bounces@autox.team.net&gt;</a>
 on behalf of
          David Nock <a class="moz-txt-link-rfc2396E" 
href="mailto:healeydoc@gmail.com";>&lt;healeydoc@gmail.com&gt;</a><br>
          <b>Sent:</b> Sunday, September 16, 2018 11:16:50 PM<br>
          <b>To:</b> Linwood Rose<br>
          <b>Cc:</b> Forum Healeys<br>
          <b>Subject:</b> Re: [Healeys] Thermostats</font>
        <div> </div>
      </div>
      <div>If you are using the alloy radiator you have a short neck
        cap. Depending on the press?s app you are using you can not use
        a bellows type thermostat. Because the bellows will collapse if
        you use anything over 7 lbs. Then the thermostat will close and
        the engine will overheat. <br>
        <br>
        <div id="AppleMailSignature">Sent from my iPhone</div>
        <div><br>
          On Sep 16, 2018, at 7:19 AM, Linwood Rose &lt;<a
            href="mailto:linwoodrose@mac.com"; 
moz-do-not-send="true">linwoodrose@mac.com</a>&gt;
          wrote:<br>
          <br>
        </div>
        <blockquote type="cite">
          <div>I would like to go back to Steve Byers? comment. I am not
            so much concerned about my car overheating. When the engine
            was rebuilt it was thoroughly cleaned to get rid of all
            sludge. I run an aluminum radiator, have built and installed
            air ducting for improved flow. I do not have an electric
            fan. 
            <div><br>
            </div>
            <div>My problem was that my engine ran cool and would take
              quite a while to ?warm up.? I think I was using a 165
              degree (or thereabouts) non-sleeved thermostat. Robert
              Shaw as I recall. So I wanted to get my engine up to
              185-190 degrees sooner. I went with one of the same AC
              sleeved thermostats 82 degrees centigrade from Kees that
              Steve used. The engine seems to be much happier and gets
              to running temp more quickly.</div>
            <div><br>
            </div>
            <div>At least for my engine, a 160-165 degree thermostat
              keeps things cool too long. In a perfect world I would
              prefer David Nock?s bellows thermostat but with a 185-190
              degree opening. Since that doesn?t seem to be available I
              think I will stick with the AC unit and keep my eye on the
              temp. Gauge.</div>
            <div><br>
            </div>
            <div>I am no authority on this. I am simply passing along my
              experience. Am I understanding all of this correctly? </div>
            <div><br>
            </div>
            <div>Thanks,</div>
            <div>Lin<br>
              <br>
              <div id="AppleMailSignature">Sent from my iPhone</div>
              <div><br>
                On Sep 15, 2018, at 9:30 PM, Rossm &lt;<a
                  href="mailto:rvmaylor@shaw.ca"; 
moz-do-not-send="true">rvmaylor@shaw.ca</a>&gt;
                wrote:<br>
                <br>
              </div>
              <blockquote type="cite">
                <div>To be fair Michael, it is hot maybe three days a
                  year in Canada?:) .  I left Calgary yesterday for the
                  Rendezvous and it was snowing already. First time the
                  hood contraption on the BN6 has been up since last
                  September.  <br>
                  <br>
                  <div id="AppleMailSignature">Sent from my iPhone</div>
                  <div><br>
                    On Sep 15, 2018, at 10:50, Michael Salter &lt;<a
                      href="mailto:michael.salter@gmail.com";
                      moz-do-not-send="true">michael.salter@gmail.com</a>&gt;
                    wrote:<br>
                    <br>
                  </div>
                  <blockquote type="cite">
                    <div>
                      <meta name="Generator" content="Microsoft Exchange
                        Server">
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        {margin-left:1pt;
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</style>
                      <div>Well I have watched this discussion on
                        sleeved thermostats for the last week but now I
                        just have to say. When the sleeved thermostats
                        went NLA, about 45 years ago, we resorted to
                        installing just plain old Stant 175 degree stats
                        and guess what ... not one complaint or comment
                        on running hotter or overheating and absolutely
                        no sign of any symptoms of overheating on my own
                        BJ8 even in the hottest of ambient temperatures.
                        It just didn't happen!!! Just sayin'. M
                        <hr tabindex="-1" style="display:inline-block;
                          width:98%">
                        <div id="x_divRplyFwdMsg" dir="ltr"><font
                            style="font-size:11pt" face="Calibri,
                            sans-serif" color="#000000"><b>From:</b>
                            Healeys &lt;<a
                              href="mailto:healeys-bounces@autox.team.net";
                              
moz-do-not-send="true">healeys-bounces@autox.team.net</a>&gt;
                            on behalf of Rossm &lt;<a
                              href="mailto:rvmaylor@shaw.ca";
                              
moz-do-not-send="true">rvmaylor@shaw.ca</a>&gt;<br>
                            <b>Sent:</b> Saturday, September 15, 2018
                            10:35:32 AM<br>
                            <b>To:</b> Forum Healeys<br>
                            <b>Subject:</b> [Healeys] Thermostats</font>
                          <div> </div>
                        </div>
                      </div>
                      <font size="2"><span style="font-size:11pt">
                          <div class="PlainText">Three sleeved
                            thermostats, one on the right 160 degrees,
                            middle no idea,  left is a Smiths x85002s/86
                            (180F) and has failed open.
                            <br>
                            <br>
                          </div>
                        </span></font></div>
                  </blockquote>
                  <blockquote type="cite">
                    
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