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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>I have run one of BCS (David’s) sleeved 160 thermostats in my BT7 for decades and I works perfectly.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>Just say’n,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>Mirek<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Healeys <healeys-bounces@autox.team.net> <b>On Behalf Of </b>David Nock via Healeys<br><b>Sent:</b> September 18, 2025 11:37 AM<br><b>To:</b> Richard Mayor <boyracer466@gmail.com>; Robert Markovich <rmarkovich@aol.com><br><b>Cc:</b> Richard Antal <rantal243@yahoo.com>; Healeys <healeys@autox.team.net><br><b>Subject:</b> Re: [Healeys] radiator thermostat<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p>The thermostat does not control the high end temperature of the engine. Its job is to get the engine up to an operating temperature as soon as possible. Then in maintains the low end temperature of the engine. Once the thermostat is open the engine temperature is controlled by the radiator, radiator fan and air flow.<o:p></o:p></p><p>On the 6 cylinder engine there is a sleeve attached to the thermostat, that blocks off a bypass in the cylinder head. The bypass is there to allow the coolant to flow when the thermostat is closed. Once the thermostat is open the sleeve is there to block the bypass allowing ALL the coolant to flow thru the radiator. <o:p></o:p></p><p>David Nock<o:p></o:p></p><p>British Car Specialists<o:p></o:p></p><p><o:p> </o:p></p><div><p class=MsoNormal>On 9/17/2025 12:54 PM, Richard Mayor wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>165 is too cold for good running. Our engines run better in the 180 to 190 range. <o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Sent from my iPad<o:p></o:p></p></div><div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'>On Sep 17, 2025, at 12:13<span style='font-family:"Arial",sans-serif'> </span>PM, Robert Markovich via Healeys <a href="mailto:healeys@autox.team.net"><healeys@autox.team.net></a> wrote:<o:p></o:p></p></blockquote></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-family:"Tahoma",sans-serif'></span> 165 is the one I use<br><br><o:p></o:p></p><div><p class=MsoNormal><a href="https://aolapp.onelink.me/eG2g?pid=NativePlacement&c=US_Acquisition_YMktg_320_EmailSignature_AttributionDL&af_sub1=Acquisition&af_sub2=US_YMktg&af_sub3=&af_sub4=100002473&af_sub5=SentFromNewAOLApp__Interstitial_&af_ios_store_cpp=ce85ce34-ad0f-4811-a92b-a172743b064e&af_android_url=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.aol.mobile.aolapp%26listing%3Demail_signature_attribution"><span style='font-size:9.0pt'>Sent from the all new AOL app for iOS</span></a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=yahoo-quoted-begin style='margin-top:0cm'><span style='font-size:11.5pt;color:#8473FF'>On Wednesday, September 17, 2025, 2:50 PM, Richard Antal via Healeys <a href="mailto:healeys@autox.team.net"><healeys@autox.team.net></a> wrote:<o:p></o:p></span></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div id=yiv6324880639><div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Gents,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'> What is the desired coolant temperature for optimal engine performance? I've searched the tech articles and can find nothing that specifically answers that question. This summer my BJ8 seemed to run fine with a 160 thermostat which, according to the gauge which I've checked and found to be accurate, kept the coolant at around 165. Thanks to all who respond.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>rich antal<o:p></o:p></span></p></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br>Support Team.Net <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Suggested annual donation $12.75<br><br>Archive: <a href="http://www.team.net/pipermail/healeys" target="_blank">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive/healeys" target="_blank">http://autox.team.net/archive/healeys</a><br><br><a href="mailto:Healeys@autox.team.net">Healeys@autox.team.net</a><br><a href="http://autox.team.net/mailman/listinfo/healeys" target="_blank">http://autox.team.net/mailman/listinfo/healeys</a><br><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/healeys/rmarkovich@aol.com" target="_blank">http://autox.team.net/mailman/options/healeys/rmarkovich@aol.com</a><o:p></o:p></p></blockquote><p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br>Support Team.Net <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Suggested annual donation $12.75<br><br>Archive: <a href="http://www.team.net/pipermail/healeys">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive/healeys">http://autox.team.net/archive/healeys</a><br><br><a href="mailto:Healeys@autox.team.net">Healeys@autox.team.net</a><br><a href="http://autox.team.net/mailman/listinfo/healeys">http://autox.team.net/mailman/listinfo/healeys</a><br><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/healeys/boyracer466@gmail.com">http://autox.team.net/mailman/options/healeys/boyracer466@gmail.com</a><o:p></o:p></p></div></blockquote></div></div><p class=MsoNormal><br><br><o:p></o:p></p><pre>_______________________________________________<o:p></o:p></pre><pre>Support Team.Net <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><o:p></o:p></pre><pre>Suggested annual donation $12.75<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Archive: <a href="http://www.team.net/pipermail/healeys">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive/healeys">http://autox.team.net/archive/healeys</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre><a href="mailto:Healeys@autox.team.net">Healeys@autox.team.net</a><o:p></o:p></pre><pre><a href="http://autox.team.net/mailman/listinfo/healeys">http://autox.team.net/mailman/listinfo/healeys</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/healeys/healeydoc@sbcglobal.net">http://autox.team.net/mailman/options/healeys/healeydoc@sbcglobal.net</a><o:p></o:p></pre><pre><o:p> </o:p></pre></blockquote><pre>-- <o:p></o:p></pre><pre>David Nock<o:p></o:p></pre><pre>British Car Specialists<o:p></o:p></pre><pre>Stockton Ca <o:p></o:p></pre><pre>209 948 8767<o:p></o:p></pre><pre><a href="http://www.britishcarspecialists.com">www.britishcarspecialists.com</a><o:p></o:p></pre></div></body></html>