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<p class="MsoNormal">What Chris said, me too. Turned out my rad had most of its tubes plugged, only at least I didn’t have to fix it at the track. Local radiator shop diagnosed it, and “rodded it out.” That is, he took the top off and ran a rod through most
of the tubes. Some were so plugged he could not get the rod through, but it was enough to fix the problem. This was actually the original radiator in my ’64 Spitfire and then some 25-30 years old. I later replaced it with a lighter one for weight.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">--Rocky Entriken<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Fot <fot-bounces@autox.team.net> <b>On Behalf Of
</b>Chris Marx via Fot<br>
<b>Sent:</b> Sunday, September 24, 2023 2:17 AM<br>
<b>To:</b> 'Anthony Parker' <solarant@hotmail.com>; 'FOT Triumph' <fot@autox.team.net><br>
<b>Subject:</b> Re: [Fot] Coolant conundrum<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="DE">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"><o:p> </o:p></span></p>
<p class="MsoNormal">had this once on a fellow racer car.<o:p></o:p></p>
<p class="MsoNormal">Turned out a clogged radiator that closed few remaining open pipes on temperature.<o:p></o:p></p>
<p class="MsoNormal">We replaced the radiator on the track (someone brought a new one) and from that time never a problem again.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cheers<o:p></o:p></p>
<p class="MsoNormal">Chris<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span lang="DE">From:</span></b><span lang="DE"> Fot <<a href="mailto:fot-bounces@autox.team.net">fot-bounces@autox.team.net</a>>
<b>On Behalf Of </b>Anthony Parker via Fot<br>
<b>Sent:</b> Saturday, September 23, 2023 5:03 PM<br>
<b>To:</b> FOT Triumph <<a href="mailto:fot@autox.team.net">fot@autox.team.net</a>><br>
<b>Subject:</b> [Fot] Coolant conundrum<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="background:white"><span class="contentpasted0"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">I'm having cooling problems.</span></span><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">Need help being convinced that I have to do what I don't want to do.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">Brand new short block, same old head, water pump, and radiator.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">Over three trials, the engine will run fine and warm up with radiator hoses and radiator warming properly. Then the hoses and radiator
will cool and coolant temp will spike to 230+. Radiator cold with sky high coolant temps.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">Two more clues, hoses seem to pressurize very quickly and when I opened the radiator cap this morning (after cooling all night) pressurized
air and coolant shot everywhere.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span class="contentpasted1"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424;background:white">No thermostat and I have confirmed three times that system is completely full</span></span><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">Seems I have combustion gases getting into coolant and then bubbles eventually removing pump prime.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">Don't know what else it could be.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">Given the apparent direction of the leak, is there any use in trying some "stop leak" product?<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">Is it time to pull the head again to look for warping or gasket leak?<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">I suppose it could be a cracked cylinder, but this block has been checked by two different trusted engine machinists.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#242424">Desperately trying to get to the RunOffs, Anthony.<o:p></o:p></span></p>
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