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Thanks Dave,</div>
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GT6 engine. Not wet lined. Only 0.01" over bore.</div>
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I understand your scenario.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> David Gott <triumphsix@yahoo.com><br>
<b>Sent:</b> Saturday, September 23, 2023 2:18 PM<br>
<b>To:</b> Anthony Parker <solarant@hotmail.com>; FOT Triumph <fot@autox.team.net><br>
<b>Subject:</b> Re: [Fot] Coolant conundrum</font>
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<div>Anthony,
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<div>Is this a wet liner triumph engine? It does sound like a cracked liner issue we had on one of our engines; no smoking gun and leak down pressurizing cooling system didn’t show it; only when it got hot did the leak show…</div>
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<div>Dave Gott<br>
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<div class="x_yahoo-signature"><a href="https://mail.onelink.me/107872968?pid=nativeplacement&c=Global_Acquisition_YMktg_315_Internal_EmailSignature&af_sub1=Acquisition&af_sub2=Global_YMktg&af_sub3=&af_sub4=100000604&af_sub5=EmailSignature__Static_">Sent from
Yahoo Mail for iPhone</a><br>
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On Saturday, September 23, 2023, 1:53 PM, Anthony Parker via Fot <fot@autox.team.net> wrote:</p>
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<span class="x_yiv0505834595ContentPasted0" style="margin:0px">I'm having cooling problems.</span></div>
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Need help being convinced that I have to do what I don't want to do.</div>
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Brand new short block, same old head, water pump, and radiator.<br>
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<div class="x_yiv0505834595ContentPasted0" style="margin:0px">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.</div>
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<div class="x_yiv0505834595ContentPasted0" style="margin:0px">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.</div>
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<div class="x_yiv0505834595ContentPasted0" style="margin:0px"><span class="x_yiv0505834595ContentPasted1" style="display:inline!important; background-color:rgb(255,255,255)">No thermostat and I have confirmed three times that system is completely full</span><br>
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<div class="x_yiv0505834595ContentPasted0" style="margin:0px">Seems I have combustion gases getting into coolant and then bubbles eventually removing pump prime.</div>
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Don't know what else it could be.</div>
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Given the apparent direction of the leak, is there any use in trying some "stop leak" product?</div>
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Is it time to pull the head again to look for warping or gasket leak?</div>
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I suppose it could be a cracked cylinder, but this block has been checked by two different trusted engine machinists.</div>
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Desperately trying to get to the RunOffs, Anthony.</div>
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