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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><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><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=DE>From:</span></b><span lang=DE> Fot <fot-bounces@autox.team.net> <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 <fot@autox.team.net><br><b>Subject:</b> [Fot] Coolant conundrum<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><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></div><div><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></div><div><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></div><div><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><div><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></div><div><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></div><div><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></div><div><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></div><div><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></div><div><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></div><div><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></div><div><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></div><div><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></div><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></div><div><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></div><div><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></div><div><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></div><div><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></div><div><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></div><div><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></div><div><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></div><div><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></div></div></div></body></html>