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Hi,
had this once on a fellow racer car.
Turned out a clogged radiator that closed few remaining open pipes on
temperature.
We replaced the radiator on the track (someone brought a new one) and from
that time never a problem again.
Cheers
Chris
From: Fot <fot-bounces@autox.team.net> On Behalf Of Anthony Parker via Fot
Sent: Saturday, September 23, 2023 5:03 PM
To: FOT Triumph <fot@autox.team.net>
Subject: [Fot] Coolant conundrum
I'm having cooling problems.
Need help being convinced that I have to do what I don't want to do.
Brand new short block, same old head, water pump, and radiator.
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.
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.
No thermostat and I have confirmed three times that system is completely
full
Seems I have combustion gases getting into coolant and then bubbles
eventually removing pump prime.
Don't know what else it could be.
Given the apparent direction of the leak, is there any use in trying some
"stop leak" product?
Is it time to pull the head again to look for warping or gasket leak?
I suppose it could be a cracked cylinder, but this block has been checked by
two different trusted engine machinists.
Desperately trying to get to the RunOffs, Anthony.
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link=3D"#0563C1" vlink=3D"#954F72" style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
lang=3DDE>Hi,<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DDE><o:p> </o:p></span></p><p class=3DMsoNormal>had this once =
on a fellow racer car.<o:p></o:p></p><p class=3DMsoNormal>Turned out a =
clogged radiator that closed few remaining open pipes on =
temperature.<o:p></o:p></p><p class=3DMsoNormal>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=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Cheers<o:p></o:p></p><p =
class=3DMsoNormal>Chris<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DDE>From:</span></b><span =
lang=3DDE> 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=3DMsoNormal><o:p> </o:p></p><div><div><p class=3DMsoNormal =
style=3D'background:white'><span class=3Dcontentpasted0><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'>I'm having cooling =
problems.</span></span><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p></o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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=3DMsoNormal style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
class=3Dcontentpasted1><span =
style=3D'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=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p></o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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=3DMsoNormal style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:11.5pt;font-family:"Segoe =
UI",sans-serif;color:#242424'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'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>
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