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Re: [Tigers] Temp Gauge Reading High?

To: <gharlowe@comcast.net>
Subject: Re: [Tigers] Temp Gauge Reading High?
From: Ron Fraser via Tigers <tigers@autox.team.net>
Date: Fri, 10 Jul 2020 17:07:00 -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> <000801d656f4$78d6a470$6a83ed50$@comcast.net>
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Graham

                One adage to follow is =E2=80=93 if it=E2=80=99s not =
puking coolant, it=E2=80=99s not overheating.

=20

You should always double check the temp of the engine to the gauge with =
an IR thermometer or other means =E2=80=93 most gauges are off some.

Seems to me I read an article about someone putting a potentiometer or a =
small resistor in line with the temp gauge to make it read correctly.

=20

You might want to do a system flush.  Make sure you read the Flush =
bottle directions completely for this.

I used Prestone Flush on my 1988 Mustang recently which stated for HD =
flush run the engine for 3 hours or more which I did by driving a couple =
hundred miles over 3 days.

=20

On my Tiger I put an overflow bottle just in front of the header tank.   =
It will keep the coolant with your Tiger and not splashing on your front =
tire.

=20

I also recommend that you flush and back flush the heater core.  The =
last time I did that all kinds of sediment came out.

I need to do that again this year.

=20

Ron Fraser

=20

From: Tigers <tigers-bounces@autox.team.net> On Behalf Of =
gharlowe@comcast.net
Sent: Friday, July 10, 2020 3:58 PM
To: 'Tom Parker' <tkparker1941@gmail.com>
Cc: 'LIST TIGER' <tigers@autox.team.net>
Subject: Re: [Tigers] Temp Gauge Reading High?

=20

=20

=20

I should also add that in the interest of cooling, the horn holes are =
blocked off, I have a thermo-switched pusher fan, undersized fan pulley, =
aftermarket Derale fan, and an aluminum radiator from Dale A.   =
I=E2=80=99m very familiar with the articles and tech tips available to =
keep a Tiger cool that our great community has made available.    =
=E2=80=93 G.

=20

=20

=20

=20

>=20
Sent: Friday, July 10, 2020 3:37 PM
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 =

Listers =E2=80=93=20

=20

I=E2=80=99ve been troubleshooting what I thought was a hot-running =
motor.   It=E2=80=99s mid-summer in the mid-Atlantic, and I have a =
triple-black Tiger, so not the 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 the radiator might =
need a flush.  I changed the thermostat (180deg) at the same 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 ordered 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


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=20


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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal>Graham<o:p></o:p></p><p =
class=3DMsoNormal>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 One adage to follow is =E2=80=93 if =
it=E2=80=99s not puking coolant, it=E2=80=99s not =
overheating.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>You should always double check the temp of the engine =
to the gauge with an IR thermometer or other means =E2=80=93 most gauges =
are off some.<o:p></o:p></p><p class=3DMsoNormal>Seems to me I read an =
article about someone putting a potentiometer or a small resistor in =
line with the temp gauge to make it read correctly.<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>You might =
want to do a system flush.=C2=A0 Make sure you read the Flush bottle =
directions completely for this.<o:p></o:p></p><p class=3DMsoNormal>I =
used Prestone Flush on my 1988 Mustang recently which stated for HD =
flush run the engine for 3 hours or more which I did by driving a couple =
hundred miles over 3 days.<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>On my Tiger =
I put an overflow bottle just in front of the header tank.=C2=A0=C2=A0 =
It will keep the coolant with your Tiger and not splashing on your front =
tire.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>I also recommend that you flush and back flush the =
heater core.=C2=A0 The last time I did that all kinds of sediment came =
out.<o:p></o:p></p><p class=3DMsoNormal>I need to do that again this =
year.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>Ron Fraser<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b>From:</b> Tigers =
&lt;tigers-bounces@autox.team.net&gt; <b>On Behalf Of =
</b>gharlowe@comcast.net<br><b>Sent:</b> Friday, July 10, 2020 3:58 =
PM<br><b>To:</b> 'Tom Parker' =
&lt;tkparker1941@gmail.com&gt;<br><b>Cc:</b> 'LIST TIGER' =
&lt;tigers@autox.team.net&gt;<br><b>Subject:</b> Re: [Tigers] Temp Gauge =
Reading High?<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>I should =
also add that in the interest of cooling, the horn holes are blocked =
off, I have a thermo-switched pusher fan, undersized fan pulley, =
aftermarket Derale fan, and an aluminum radiator from Dale =
A.&nbsp;&nbsp; I=E2=80=99m very familiar with the articles and tech tips =
available to keep a Tiger cool that our great community has made =
available.&nbsp;&nbsp;&nbsp; =E2=80=93 G.<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b>From:</b> Tom Parker &lt;<a =
href=3D"mailto:tkparker1941@gmail.com";>tkparker1941@gmail.com</a>&gt; =
<br><b>Sent:</b> Friday, July 10, 2020 3:37 PM<br><b>To:</b> Graham =
Harlowe &lt;<a =
href=3D"mailto:gharlowe@comcast.net";>gharlowe@comcast.net</a>&gt;<br><b>C=
c:</b> LIST TIGER &lt;<a =
href=3D"mailto:tigers@autox.team.net";>tigers@autox.team.net</a>&gt;<br><b=
>Subject:</b> Re: [Tigers] Temp Gauge Reading =
High?<o:p></o:p></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><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@gmail..<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 Tigers &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-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-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=3DMsoNormal =
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 mid-summer in the mid-Atlantic, and I =
have a triple-black Tiger, so not the ideal 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 (180deg) =
at the same time. &nbsp;&nbsp;Same temps.&nbsp; 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.&nbsp;&nbsp; I ordered a new temp sending unit =
from Rick =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=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Graham =
Harlowe<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>B382001466<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'>&nbsp;<o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1=
1.4pt'>&nbsp;<o:p></o:p></p></div></div></blockquote></div><div =
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