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Anyone tried a smaller diameter pulley on the pump?<br>
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<div class="moz-cite-prefix">On 3/6/2021 4:49 PM, Simon Lachlan via
Healeys wrote:<br>
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<blockquote type="cite"
cite="mid:000501d712eb$c5f792b0$51e6b810$@alexarevel.plus.com">
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Using
an original type stat helps too ie the one with a sleeve.
Helps, not cures all.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Simon<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span
lang="EN-US"> Healeys
<a class="moz-txt-link-rfc2396E" href="mailto:healeys-bounces@autox.team.net"><healeys-bounces@autox.team.net></a> <b>On Behalf Of </b>warthodson---
via Healeys<br>
<b>Sent:</b> 06 March 2021 23:41<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:rfbegani@gmail.com">rfbegani@gmail.com</a>; <a class="moz-txt-link-abbreviated" href="mailto:michaelsalter@gmail.com">michaelsalter@gmail.com</a>;
<a class="moz-txt-link-abbreviated" href="mailto:bspidell@comcast.net">bspidell@comcast.net</a>; <a class="moz-txt-link-abbreviated" href="mailto:healeys@autox.team.net">healeys@autox.team.net</a><br>
<b>Subject:</b> Re: [Healeys] Overheating<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:12.0pt;font-family:"Comic Sans
MS";color:black">It seems to me that switching from a
7 PSI radiator cap to a 15PSI cap is not a solution to an
overheating problem but rather a band-aid. <br>
Gary Hodson<o:p></o:p></span></p>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">-----Original
Message-----<br>
From: <a href="mailto:rfbegani@gmail.com"
moz-do-not-send="true">rfbegani@gmail.com</a><br>
To: 'Michael Salter' <<a
href="mailto:michaelsalter@gmail.com"
moz-do-not-send="true">michaelsalter@gmail.com</a>>;
'Bob Spidell' <<a href="mailto:bspidell@comcast.net"
moz-do-not-send="true">bspidell@comcast.net</a>>;
'Ahealey help' <<a
href="mailto:healeys@autox.team.net"
moz-do-not-send="true">healeys@autox.team.net</a>><br>
Sent: Sat, Mar 6, 2021 3:58 pm<br>
Subject: [Healeys] Overheating<o:p></o:p></span></p>
<div id="yiv7728791887">
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<div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">Bob
& Mike:</span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">You
both may have seen my requests on overheating of
my BJ8 and the response from the group. As a
result, I purchased an infrared thermometer to
determine if my water gauge was giving accurate
readings. The thermometer gun told me that my
water gauge was 30 degrees higher than the
temperature of the sensor attached to the
block. At the same time, I noticed my gauge
will show 120 degrees at rest instead of going
down to 90 degrees which would indicate a
30-degree high reading. In May when I leave for
cool Michigan, I will send the gauge to Nisonger
to be rebuilt.</span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">I
began to test the temperature of the water going
through the cooling system at the inlet to and
outlet from the block, inlet and outlet to the
radiator and the upper and lower hoses while the
engine is running at idle and at 2-3 Thousand
rpm. The chart I created to record these
temperatures allowed me to produce observations
or averages because the flow of the water is
dependent upon the rpms of the engine. The
engine has overheated all of the 40 years I have
owned it and has only 1000 miles on the new
speedo since rebuilding to 20 over. </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">At
the radiator inlet 134 outlet 85 at high rpms
with electric fan operating.</span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">
inlet 103 outlet 94 at idle rpms with electric
fan operating. </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">The
above temperatures are recorded at the inlet and
all along the hoses.</span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">These
temperatures indicate the pump is circulating
water with sufficient gallons to cool the engine
only when the engine is at high rpms. At idle
the pump does not circulate sufficient water to
keep the engine cool. This is especially true
when you have been operating the engine at high
speed and come down to 30 – 40 mph and stop and
go traffic. Maybe the real answer is to install
an electric pump for constant cooling water?</span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">In
the past week, I have installed a large Dorman
coolant recovery tank and a new 7 psi 1 inch
radiator cap because I learned that our
radiators have a long neck. Both those changes
have reduced my problem of very high overheating
and resulting boiling over. In addition, when
my water gauge shows 212 degrees the water
temperature is actually 30 degrees less or
approximately 185 degrees. Also, I am not
boiling over and loosing coolant. Nevertheless,
the engine water temperature is still spiking to
210 plus degrees true when coming off highway
speeds. </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">In
my review of various sites, the radiator
equipment suppliers and others are recommending
increasing the pressure in the classic car
systems to 15 psi plus, and coolant recovery
tanks “if your coolant system, radiator, hoses
etc. is new” and therefore can hold the
pressure. Unfortunately, I have not found any
maker of a 1 inch depth x 2.33 inch diameter
radiator cap except our 7 psi cap so I can try
such a pressurized system.</span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">Another
suggestion on an older discussion at the British
Car Forum indicated some of the Ontario car
owners had switched to Evans Waterless Coolant
rather than 50/50 coolant water mixture.</span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">I
still have no idea why a minority of our group
has overheating problems. More ideas?</span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">Regards,</span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">Bob
Begani 67 BJ8 </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
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