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Re: [Tigers] Temp Gauge Reading High?

To: Tom Parker <tkparker1941@gmail.com>, Graham Harlowe <gharlowe@comcast.net>
Subject: Re: [Tigers] Temp Gauge Reading High?
From: Donald Antilla via Tigers <tigers@autox.team.net>
Date: Fri, 10 Jul 2020 15:58:27 -0400
Cc: LIST TIGER <tigers@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: tigers@autox.team.net
References: <000c01d656ec$c09eee00$41dcca00$@comcast.net> <CAE3_YO9QX5TcdgrQOnfAJfYsuMFsapR6d1E1BqjCPHeB3vnRGQ@mail.gmail.com> (Java/11.0.7)
Thread-topic: [Tigers] Temp Gauge Reading High?
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Your measurements sound similar to what I experienced on my 1966 427 Fairla=
ne several years ago. The sensor is screwed into the aluminum intake manifol=
d and it feeds an under-dash Stewart-Warner gauge.

Mine read consistently 200 to 210 which had me concerned because I had a 18=
0 thermostat.

I then bought=C2=A0 an infrared thermometer and measured at the upper radiator =
hose; it read about 185 as I recall.

I thought about it and I THINK- but did not try to prove- that the engine h=
eat conducted well from the cylinder heads onto the aluminum intake and thus=
 probably raised the sensed temperature.

=20

=20

Don Antilla=20

Southbury, CT

203-264-8301 Home

203-592-8427 Cell

=20

=20

From: Tigers <tigers-bounces@autox.team.net> on behalf of Tom Parker via Ti=
gers <tigers@autox.team.net>
Date: Friday, July 10, 2020 at 3:36 PM
To: Graham Harlowe <gharlowe@comcast.net>
Cc: LIST TIGER <tigers@autox.team.net>
Subject: Re: [Tigers] Temp Gauge Reading High?

=20

Graham, Is this a new problem or has it always been like that?

=20

Tom Parker - tkparker1941@gmail..

=20

On Fri, Jul 10, 2020 at 3:03 PM gharlowe--- via Tigers <tigers@autox.team.n=
et> wrote:

Listers =E2=80=93=20

=20

I=E2=80=99ve been troubleshooting what I thought was a hot-running motor.   
It=E2=80=99=
s mid-summer in the mid-Atlantic, and I have a triple-black Tiger, so not th=
e ideal scenario to run cool.   The car=E2=80=99s been running between 210 and 
220=
 at 50 mph on level roads.  It doesn=E2=80=99t get a lot of miles, so I thought 
th=
e radiator might need a flush.  I changed the thermostat (180deg) at the sam=
e time.   Same temps.  I pulled out an infrared thermometer and with the car=
 idling, the temp gauge was indicating ~ 215 while the infrared thermometer =
was reading 183 when pointed at the water outlet and F4B manifold.   I order=
ed a new temp sending unit from Rick =E2=80=93 any other suggestions?  =20

=20

Thanks as always,=20

=20

Graham Harlowe

B382001466

=20

=20

=20

  =20

=20

Virus-free. www.avast.com=20
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vlink=3Dp=
urple><div class=3DWordSection1><p class=3DMsoNormal><span 
style=3D'font-size:16.0=
pt;font-family:"Arial",sans-serif'>Your measurements sound similar to what I=
 experienced on my 1966 427 Fairlane several years ago. The sensor is screwe=
d into the aluminum intake manifold and it feeds an under-dash Stewart-Warne=
r gauge.<o:p></o:p></span></p><p class=3DMsoNormal><span 
style=3D'font-size:16.0=
pt;font-family:"Arial",sans-serif'>Mine read consistently 200 to 210 which h=
ad me concerned because I had a 180 thermostat.<o:p></o:p></span></p><p clas=
s=3DMsoNormal><span style=3D'font-size:16.0pt;font-family:"Arial",sans-serif'>I 
=
then bought=C2=A0 an infrared thermometer and measured at the upper radiator 
hos=
e; it read about 185 as I recall.<o:p></o:p></span></p><p class=3DMsoNormal><s=
pan style=3D'font-size:16.0pt;font-family:"Arial",sans-serif'>I thought about =
it and I THINK- but did not try to prove- that the engine heat conducted wel=
l from the cylinder heads onto the aluminum intake and thus probably raised =
the sensed temperature.<o:p></o:p></span></p><p class=3DMsoNormal><span 
style=3D=
'font-size:16.0pt;font-family:"Arial",sans-serif'><o:p>&nbsp;</o:p></span></=
p><p class=3DMsoNormal><span 
style=3D'font-size:16.0pt;font-family:"Arial",sans-=
serif'><o:p>&nbsp;</o:p></span></p><div><p class=3DMsoNormal><i><span 
style=3D'f=
ont-size:14.0pt'>Don Antilla <o:p></o:p></span></i></p><p class=3DMsoNormal><i=
><span style=3D'font-size:14.0pt'>Southbury, CT<o:p></o:p></span></i></p><p cl=
ass=3DMsoNormal><i><span style=3D'font-size:14.0pt'>203-264-8301 
Home<o:p></o:p>=
</span></i></p><p class=3DMsoNormal><i><span 
style=3D'font-size:14.0pt'>203-592-=
8427 Cell<o:p></o:p></span></i></p></div><p class=3DMsoNormal><span 
style=3D'fon=
t-size:16.0pt;font-family:"Arial",sans-serif'><o:p>&nbsp;</o:p></span></p><p=
 class=3DMsoNormal><span 
style=3D'font-size:16.0pt;font-family:"Arial",sans-seri=
f'><o:p>&nbsp;</o:p></span></p><div style=3D'border:none;border-top:solid #B5C=
4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span 
style=3D'font=
-size:12.0pt;color:black'>From: </span></b><span style=3D'font-size:12.0pt;col=
or:black'>Tigers &lt;tigers-bounces@autox.team.net&gt; on behalf of Tom Park=
er via Tigers &lt;tigers@autox.team.net&gt;<br><b>Reply-To: </b>Tom Parker &=
lt;tkparker1941@gmail.com&gt;<br><b>Date: </b>Friday, July 10, 2020 at 3:36 =
PM<br><b>To: </b>Graham Harlowe &lt;gharlowe@comcast.net&gt;<br><b>Cc: </b>L=
IST TIGER &lt;tigers@autox.team.net&gt;<br><b>Subject: </b>Re: [Tigers] Temp=
 Gauge Reading High?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><o:p=
>&nbsp;</o:p></p></div><div><p class=3DMsoNormal>Graham, Is this a new problem=
 or has it always been like that?<o:p></o:p></p><div><p class=3DMsoNormal><o:p=
>&nbsp;</o:p></p></div><div><p class=3DMsoNormal>Tom Parker - tkparker1941@gma=
il..<o:p></o:p></p></div></div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><div>=
<div><p class=3DMsoNormal>On Fri, Jul 10, 2020 at 3:03 PM gharlowe--- via Tige=
rs &lt;<a href=3D"mailto:tigers@autox.team.net";>tigers@autox.team.net</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote style=3D'border:none;border-left:solid =
#CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'>=
<div><div><p class=3DMsoNormal 
style=3D'mso-margin-top-alt:auto;mso-margin-botto=
m-alt:auto'>Listers =E2=80=93 <o:p></o:p></p><p class=3DMsoNormal 
style=3D'mso-margin-=
top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p><p class=3DMsoNo=
rmal style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I=E2=80=99ve 
been =
troubleshooting what I thought was a hot-running motor.&nbsp;&nbsp; 
It=E2=80=99s m=
id-summer in the mid-Atlantic, and I have a triple-black Tiger, so not the i=
deal scenario to run cool.&nbsp; &nbsp;The car=E2=80=99s been running between 
210 =
and 220 at 50 mph on level roads.&nbsp; It doesn=E2=80=99t get a lot of miles, 
so =
I thought the radiator might need a flush.&nbsp; I changed the thermostat (1=
80deg) at the same time. &nbsp;&nbsp;Same temps.&nbsp; I pulled out an infra=
red thermometer and with the car idling, the temp gauge was indicating ~ 215=
 while the infrared thermometer was reading 183 when pointed at the water ou=
tlet and F4B manifold.&nbsp;&nbsp; I ordered a new temp sending unit from Ri=
ck =E2=80=93 any other suggestions?&nbsp;&nbsp; <o:p></o:p></p><p 
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p>=
</p><p class=3DMsoNormal 
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:=
auto'>Thanks as always, <o:p></o:p></p><p class=3DMsoNormal 
style=3D'mso-margin-=
top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p><p class=3DMsoNo=
rmal style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Graham Harlo=
we<o:p></o:p></p><p class=3DMsoNormal 
style=3D'mso-margin-top-alt:auto;mso-margi=
n-bottom-alt:auto'>B382001466<o:p></o:p></p><p class=3DMsoNormal 
style=3D'mso-ma=
rgin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p><p class=3D=
MsoNormal style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<=
o:p></o:p></p><p class=3DMsoNormal 
style=3D'mso-margin-top-alt:auto;mso-margin-b=
ottom-alt:auto'>&nbsp;<o:p></o:p></p><p class=3DMsoNormal 
style=3D'mso-margin-to=
p-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;&nbsp; <o:p></o:p></p></div><di=
v id=3D"gmail-m_2381128411518727808DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><p cl=
ass=3DMsoNormal><o:p>&nbsp;</o:p></p><table class=3DMsoNormalTable border=3D1 
cell=
padding=3D0 style=3D'border:none;border-top:solid #D3D4DE 1.0pt'><tr><td 
width=3D5=
5 style=3D'width:41.25pt;border:none;padding:9.75pt .75pt .75pt .75pt'><p clas=
s=3DMsoNormal><a 
href=3D"https://www.avast.com/sig-email?utm_medium=3Demail&amp;ut=
m_source=3Dlink&amp;utm_campaign=3Dsig-email&amp;utm_content=3Demailclient&amp;utm=
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style=3D'color:windowtext;text-decoration:no=
ne'><span style=3D'color:blue;border:solid windowtext 1.0pt;padding:0in'><img =
border=3D0 width=3D46 height=3D29 style=3D'width:.4791in;height:.302in' 
id=3D"_x0000_i=
1025" src=3D"cid:~WRD0000.jpg" alt=3D"Image removed by 
sender."></span></span></=
a><o:p></o:p></p></td><td width=3D470 
style=3D'width:352.5pt;border:none;padding=
:9.0pt .75pt .75pt .75pt'><p class=3DMsoNormal 
style=3D'line-height:13.5pt'><spa=
n style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:#41424E'>Viru=
s-free. <a 
href=3D"https://www.avast.com/sig-email?utm_medium=3Demail&amp;utm_so=
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style=3D'color:#4453EA'>www.avast.com</span></a>=
 <o:p></o:p></span></p></td></tr></table></div></div><p class=3DMsoNormal styl=
e=3D'margin-bottom:12.0pt'>_______________________________________________<br>=
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</blockquote></div><p class=3DMsoNormal>______________________________________=
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