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Re: [Healeys] Thermostats

To: BJ8Healeys <sbyers@ec.rr.com>
Subject: Re: [Healeys] Thermostats
From: Lawrence Swift <lawrence.swift@gmail.com>
Date: Tue, 11 Sep 2018 09:43:27 -0400
Cc: healeys <Healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CAPAC+V6pGpcQ53C8ye+wu7xdis34UCKJ9h52JMQ0sBfx9zLipg@mail.gmail.com> <CAPAC+V4vmb3vaOwZdsV=TAmRgvtKPFariSd=bGX=gOcB4KycfA@mail.gmail.com> <CAPAC+V5FhBO2TTUdogAcid9xE1tvfXpRuWJ8iW4mUnbUtMxEUw@mail.gmail.com> <CAPAC+V6YUhiUMDa7oDr5mrdEssyRWGc5eqMTi6He1qncohFsOQ@mail.gmail.com> <CAPAC+V6PUJzperPWpRUUOVV3zcJpEcCY+kjePiZtBgfxXUkCRQ@mail.gmail.com> <CAPAC+V4cK1FVq-TrDjm=9mf+hT8xhtUA65JaoM1F=PVWExokiA@mail.gmail.com> <CAPAC+V52MkAAqA-5+bKy=OEbbMe2fmhrV+diixyCKupF=J=tLg@mail.gmail.com> <CAPAC+V7AFXmLFWBXWmF+1sS8dqeMqnjCrtZaXnEOJquXJBCyCQ@mail.gmail.com> <CAPAC+V7f5OYgz=cMJF8TJ6sqy2zS5NUuPsO0NvgKE22+=Z0nwQ@mail.gmail.com> <CAPAC+V4OC9yc2K8fYNoZww5uocfw4_e=c4jzEUHHE8iwWnDa1g@mail.gmail.com> <CAPAC+V7YfW0Cic9SeLncazG8aaTW_9uauf8jWNKYntb++rzTsw@mail.gmail.com> <CAPAC+V6u9M678TAS4V=Pj0YmNx+TGOFNvrV38aUnrJeyGFN3Gw@mail.gmail.com> <CAPAC+V784u3ciMuzFMc9+=w3Yj-Nf1SCxUug7VbLfmskO9c4iw@mail.gmail.com> <CAPAC+V74_Y2Au_3ui83jqVxtgw2stxD0ApHi+ScdvGpuGMwvhQ@mail.gmail.com> <CAPAC+V4ED442F_G7siwL-VXf=F+_LLUa VQKczOigVmToSW7KtA@mail.gmail.com> <CAPAC+V4ZHM_r44wd=Hg12__gyE2WuRgQ1hODWKQc7fpFdoZXmQ@mail.gmail.com> <CAPAC+V5JoyVYSX6c+89PPxA06XDxsAaZUTqZmNxgJVfyh+swjw@mail.gmail.com> <CAPAC+V6zLV8np9Ae77e-y8OEe2xAGrdJ=dvP5otBceoWFdqwpg@mail.gmail.com> <CAPAC+V5u6Vxk-KAY=it=Zjo76GHr2hSkEobNZSuA_0UJK6bycQ@mail.gmail.com> <CAPAC+V43SaWrjKiu2FXz3SKrrzHPnRTMefQo-8TMtc7h=+VujA@mail.gmail.com> <CAPAC+V748TRbso_tdZDNs_kDPO+WjCDt9+_SZy4wRD3ecejVLw@mail.gmail.com> <CAPAC+V5zoHF9ScpN1-QC2dNFZZDujVpE6spWCOqYkA17RFH01A@mail.gmail.com> <CAPAC+V5ZEy8r=RiKc1x7Sism4iGisW1Tn8o7BDiQJcaKYSnDkQ@mail.gmail.com> <CAPAC+V4__txJNMPDqZuNYEZythrRYOM+y2VnMxDueTP4+Tq2iA@mail.gmail.com> <CAPAC+V4QWnaXA3Bgiw36SbKzK3fZnrGXiu0wiOwOBPLgCtRzpA@mail.gmail.com> <CAPAC+V68J6weA474ysvpeyee4j+Qck+4mnSiEpeRq8OunLH=fQ@mail.gmail.com> <CAPAC+V4150HNfYL3COov0WsBF+P3rfrO+qQHkVX0tL5PzNN68A@mail.gmail.com> <CAPAC+V5J9Y7uq6Q=XCLUvdWPH+NORqpbmF017qTGFBLJsZPm0A@mail.gmail.com> <CAPAC+V7GsdTmcW_PUEq-6_zpKZzs3t0sm0ndwpnJwBXAeXK7mQ@mail.gmail.com> <CAPAC+V5OFkwLhk3usWPsBkWGdbUdDAQydq6fnNj50bANZWY+Rg@mail.gmail.com> <CAPAC+V4d3OnX-XYi1F_CbRR_M9oq_5XV7gKypbXPof0b4Nd46A@mail.gmail.com> <CAPAC+V5YRC-foBCE5zFix=0oezo-oQH5R3VAHfvBxkOTmnu1CQ@mail.gmail.com> <CAPAC+V6ywraqyfNfYGQ5unG_YX_5EyorSzw6UXhJRmp32_yHxQ@mail.gmail.com> <CAPAC+V4MwMcmryoPcZpMVNwK5N85JyVqPWq3nzNnbwCnr-ygDw@mail.gmail.com> <065d01d4493e$b27ddce0$177996a0$@rr.com>
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My car constantly overheated until I replaced the modern thermostat with the=
 sleeved one that was in the car when I bought it.  Runs 180 - 190 now.

> On Sep 10, 2018, at 3:44 PM, BJ8Healeys <sbyers@ec.rr.com> wrote:
>=20
> Fred, I personally believe a 160-deg. F thermostat used in an effort to "c=
ool down" a Healey is useless.  A thermostat responds only to the temperatur=
e of the coolant flowing through it by opening up to increase coolant flow, a=
nd 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 r=
an so cold that winter that I actually had to block part of the radiator to r=
aise it to anywhere near normal.  Up there in the NC mountains, that would b=
e even more of a problem for you.
> I use a 187 F (86 C) New Old Stock AC sleeved thermostat (AC part number 1=
572320) that I was able to score from lister Kees Oudesluijs.  I installed i=
t along with an upgraded core in the radiator at the same time, so I can't r=
eally say how much improvement the thermostat alone did; but since the modif=
ication my car runs consistently at 170 - 180 in the hot summers of the NC c=
oast, except when in stop-and-go traffic when it might make it to 190 or a b=
it 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 coo=
lant temperature stabilizes.  That can take up to 50 miles.
> A friend placed an order later with Kees for several of the 190 F sleeved t=
hermostats.  I got one of those as a spare.  Don't know if he has any left, o=
r can get more.  As far as I know, the only sleeved thermostats available fr=
om 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 off=
ers free shipping!).  Maybe you could work out a deal with a UK lister to bu=
y one for you and ship it to you.  =C2=A319.99 =3D $26.04
> =20
> Steve Byers
> HBJ8L/36666
> BJ8 Registry
> AHCA Delegate at Large
> Havelock, NC=20
> =20
> =20
> From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Fred We=
scoe
> Sent: Sunday, September 09, 2018 8:38 PM
> To: healeys
> Subject: [Healeys] Thermostats
> =20
> Listers,
> =20
> I have researched what I can of the archives and other sources and am stil=
l puzzled.  I cannot find any real answers and direction on the question of w=
hich thermostat I should use in my 66 BJ8.  Some answers indicate a sleeved t=
hermostat and others say no sleeve.  Some say a short sleeve and others say o=
nly the long sleeve works.  Some answers indicate using a 160 degree thermos=
tat while others propose 180 degrees and even 190 degrees.  Some even say th=
e Moss sleeved thermostat does not work.
> =20
> I am in North Carolina and drive the car most of the year.  Right now the c=
ar has a non sleeved 190 degree thermostat.  The car starts and needs to war=
m up, at idle, to almost full temp before it runs with no problems.  Otherwi=
se it spits, coughs and has no power.  The car runs at about 190 degres exce=
pt when I drive the mountains and of course stop and go traffic.
> =20
> What is the consensus of thoughts as we approach colder weather?  And what=
 are the sources and manufacturer for a good thermostat?
> =20
> Thanks for the help,
> =20
> Fred
> 66BJ8
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation  $12.75
>=20
> Archive: http://www.team.net/pipermail/healeys
>=20
> Healeys@autox.team.net
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>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/lawrence=
.swift@gmail.com
>=20

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div></div><div>My car constantly overheate=
d until I replaced the modern thermostat with the sleeved one that was in th=
e car when I bought it. &nbsp;Runs 180 - 190 now.</div><div><br>On Sep 10, 2=
018, at 3:44 PM, BJ8Healeys &lt;<a href=3D"mailto:sbyers@ec.rr.com";>sbyers@e=
c.rr.com</a>&gt; wrote:<br><br></div><blockquote type=3D"cite"><div><meta ht=
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</o:shapelayout></xml><![endif]--><div class=3D"WordSection1"><p class=3D"Ms=
oNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Comic Sans MS&quo=
t;;color:#002060">Fred, I personally believe a 160-deg. F thermostat used in=
 an effort to "cool down" a Healey is useless.&nbsp; A thermostat responds o=
nly to the temperature of the coolant flowing through it by opening up to in=
crease coolant flow, and once it is open all the way at 160+, it is out of t=
he loop and can't open further to cool more.&nbsp; I am on the NC coast wher=
e winters are mild.&nbsp; I once tried a 160 (non-sleeved) because I had one=
 that someone gave me.&nbsp; My BJ8 ran so cold that winter that I actually h=
ad to block part of the radiator to raise it to anywhere near normal.&nbsp; U=
p there in the NC mountains, that would be even more of a problem for you.<o=
:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;f=
ont-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.&nbsp; I installed it along with an upgra=
ded core in the radiator at the same time, so I can't really say how much im=
provement the thermostat alone did; but since the modification my car runs c=
onsistently at 170 - 180 in the hot summers of the NC coast, except when in s=
top-and-go traffic when it might make it to 190 or a bit above.&nbsp; In win=
ter, it runs at 160 - 170. &nbsp;I can see the sleeve operate as the car war=
ms up because the gauge will cycle between 160 and 190 until coolant tempera=
ture stabilizes.&nbsp; That can take up to 50 miles.<o:p></o:p></span></p><p=
 class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Comic=
 Sans MS&quot;;color:#002060">A friend placed an order later with Kees for s=
everal of the 190 F sleeved thermostats.&nbsp; I got one of those as a spare=
.&nbsp; Don't know if he has any left, or can get more.&nbsp; As far as I kn=
ow, the only sleeved thermostats available from the usual suspects are 160s a=
nd I wouldn't waste my money on them.<o:p></o:p></span></p><p class=3D"MsoNo=
rmal"><span style=3D"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 sourc=
e:<o:p></o:p></span></p><p class=3D"MsoNormal"><b><span style=3D"font-size:1=
1.0pt;font-family:&quot;Comic Sans MS&quot;;color:#002060"><a href=3D"https:=
//tinyurl.com/y9c6n53h">https://tinyurl.com/y9c6n53h</a><o:p></o:p></span></=
b></p><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&qu=
ot;Comic Sans MS&quot;;color:#002060">Unfortunately, it does not post to the=
 USA (but on the bright side, it offers free shipping!).&nbsp; Maybe you cou=
ld work out a deal with a UK lister to buy one for you and ship it to you. &=
nbsp;=C2=A319.99 =3D $26.04 </span><span style=3D"font-size:11.0pt;font-fami=
ly:&quot;Comic Sans MS&quot;;color:#002060"><o:p></o:p></span></p><p class=3D=
"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Comic Sans MS&=
quot;;color:#002060"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><spa=
n style=3D"font-size:11.0pt;font-family:&quot;Comic Sans MS&quot;;color:#002=
060">Steve Byers</span><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#002060"><o:p></o:p></span></p><p cl=
ass=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Comic Sa=
ns MS&quot;;color:#002060">HBJ8L/36666</span><span style=3D"font-size:11.0pt=
;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#002060"><o:p>=
</o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font=
-family:&quot;Comic Sans MS&quot;;color:#002060">BJ8 Registry</span><span st=
yle=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quo=
t;;color:#002060"><o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D=
"font-size:11.0pt;font-family:&quot;Comic Sans MS&quot;;color:#002060">AHCA D=
elegate at Large</span><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#002060"><o:p></o:p></span></p><p cl=
ass=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Comic Sa=
ns MS&quot;;color:#002060">Havelock, NC&nbsp; </span><span style=3D"font-siz=
e:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#00206=
0"><o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-size:11.=
0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#002060"><o=
:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-size:11=
.0pt;font-family:&quot;Comic Sans MS&quot;;color:#002060"><o:p>&nbsp;</o:p><=
/span></p><div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3=
.0pt 0in 0in 0in"><p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;=
font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span=
 style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&q=
uot;"> Healeys [<a href=3D"mailto:healeys-bounces@autox.team.net";>mailto:hea=
leys-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=3D"MsoNormal"=
><o:p>&nbsp;</o:p></p><div><p class=3D"MsoNormal">Listers,<o:p></o:p></p><di=
v><p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p></div><div><p class=3D"MsoNorm=
al">I have researched what I can of the archives and other sources and am st=
ill puzzled.&nbsp; I cannot find any real answers and direction on the quest=
ion of which thermostat I should use in my 66 BJ8.&nbsp; Some answers indica=
te a sleeved thermostat and others say no sleeve.&nbsp; Some say a short sle=
eve and others say only the long sleeve works.&nbsp; Some answers indicate u=
sing a 160 degree thermostat while others propose 180 degrees and even 190 d=
egrees.&nbsp; Some even say the Moss sleeved thermostat does not work.<o:p><=
/o:p></p></div><div><p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p></div><div><=
p class=3D"MsoNormal">I am in North Carolina and drive the car most of the y=
ear.&nbsp; Right now the car has a non sleeved 190 degree thermostat.&nbsp; T=
he car starts and needs to warm up, at idle, to almost full temp before it r=
uns with no problems.&nbsp; Otherwise it spits, coughs and has no power.&nbs=
p; 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=3D"MsoNormal"=
><o:p>&nbsp;</o:p></p></div><div><p class=3D"MsoNormal">What is the consensu=
s of thoughts as we approach colder weather?&nbsp; And what are the sources a=
nd manufacturer for a good thermostat?<o:p></o:p></p></div><div><p class=3D"=
MsoNormal"><o:p>&nbsp;</o:p></p></div><div><p class=3D"MsoNormal">Thanks for=
 the help,<o:p></o:p></p></div><div><p class=3D"MsoNormal"><o:p>&nbsp;</o:p>=
</p></div><div><p class=3D"MsoNormal">Fred<o:p></o:p></p></div><div><p class=
=3D"MsoNormal">66BJ8<o:p></o:p></p></div></div></div></div></blockquote><blo=
ckquote type=3D"cite"><div><span>___________________________________________=
____</span><br><span>Support <a href=3D"http://Team.Net";>Team.Net</a> <a hre=
f=3D"http://www.team.net/donate.html";>http://www.team.net/donate.html</a></s=
pan><br><span>Suggested annual donation &nbsp;$12.75</span><br><span></span>=
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