<div dir="auto">I had a nos sleeved Stat snd it failed just about closed. Caused overheating. Been using a non sleeved one with no issues. <br><br><div data-smartmail="gmail_signature">Ira Erbs<br>Portland, OR<br>typos and artifacts are the fault of my phone</div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, Sep 13, 2018, 3:42 PM Bob Spidell <<a href="mailto:bspidell@comcast.net">bspidell@comcast.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p>One other consideration: I have heard--note: hearsay--that the
OEM sleeved stats are of the 'fail closed' variety. Have seen
modern ones called 'fail open' or, even 'failsafe.'</p>
<p>FWIW.</p>
<p>Bob<br>
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<div class="m_8232586958904510323moz-cite-prefix">On 9/11/2018 3:44 PM, Roger Grace
wrote:<br>
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<div>Steve,</div>
<div>Yes agree with your take on the 160 F thermostats. The
only possible benefit is that if you start with a lower
coolant temp, when you hit traffic, it will take longer
before the dreaded over temp zone is approached.</div>
<div>As an aside, I have installed an oil temp gauge; very
useful and a reminder just how long the engine (not coolant)
takes to get up to temp. Trying to get in the habit of not
going over 2000 RPM till OT is about 120F – often another
15-20 mins after the thermostat opens. </div>
<div>rg</div>
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<div><b>From:</b> <a title="sbyers@ec.rr.com" rel="noreferrer">BJ8Healeys</a>
</div>
<div><b>Sent:</b> Monday, September 10, 2018 12:44 PM</div>
<div><b>To:</b> <a title="Healeys@autox.team.net" rel="noreferrer">'healeys'</a> </div>
<div><b>Subject:</b> Re: [Healeys] Thermostats</div>
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<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";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.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";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.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";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.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";COLOR:#002060">I just Googled the AC part number and came up
with this source:<u></u><u></u></span></p>
<p class="MsoNormal"><b><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";COLOR:#002060"><a href="https://tinyurl.com/y9c6n53h" target="_blank" rel="noreferrer">https://tinyurl.com/y9c6n53h</a><u></u><u></u></span></b></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";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><u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";COLOR:#002060"><u></u><u></u></span> </p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";COLOR:#002060">Steve Byers</span><span style="FONT-SIZE:11pt;FONT-FAMILY:"Calibri","sans-serif";COLOR:#002060"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";COLOR:#002060">HBJ8L/36666</span><span style="FONT-SIZE:11pt;FONT-FAMILY:"Calibri","sans-serif";COLOR:#002060"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";COLOR:#002060">BJ8 Registry</span><span style="FONT-SIZE:11pt;FONT-FAMILY:"Calibri","sans-serif";COLOR:#002060"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";COLOR:#002060">AHCA Delegate at Large</span><span style="FONT-SIZE:11pt;FONT-FAMILY:"Calibri","sans-serif";COLOR:#002060"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";COLOR:#002060">Havelock, NC </span><span style="FONT-SIZE:11pt;FONT-FAMILY:"Calibri","sans-serif";COLOR:#002060"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Calibri","sans-serif";COLOR:#002060"><u></u><u></u></span> </p>
<p class="MsoNormal"><span style="FONT-SIZE:11pt;FONT-FAMILY:"Comic Sans MS";COLOR:#002060"><u></u><u></u></span><br>
</p>
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