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</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;color:black'>Thanks Alan<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:black'>There is a ball valve at the very top that opens as soon as you look at it and lets the water out on to the road via a copper pipe.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:black'>Interestingly the radiator in the BN3 is the same as the Healey Duncan, but it’s pressurised.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:black'>Hoo Roo<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:black'>Patrick Quinn<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:black'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Alan Seigrist [mailto:healey.nut@gmail.com] <br><b>Sent:</b> Friday, 25 February 2022 10:48 AM<br><b>To:</b> Patrick & Caroline Quinn<br><b>Cc:</b> Healey list<br><b>Subject:</b> Re: [Healeys] Head Gasket<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Patrick -<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I think on these old radiators there should be a small expansion tank in the very top of the radiator tank. You might try soldering a connection on top as the bleed off.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Cheers,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Alan<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Fri, Feb 25, 2022 at 7:03 AM Patrick & Caroline Quinn <<a href="mailto:p_cquinn@tpg.com.au">p_cquinn@tpg.com.au</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'>Hello Alan</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'>That raises a question that you might be able to help with.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'>My Healey Duncan has a 0 PSI cap or in other words it’s not meant to be pressurised. However when it gets warmed up and the coolant/water expands there is nowhere for it to go except out the overflow. On a longer run this repeats itself again and again until it overheats.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'>Don’t want to pressurise the system, but am thinking about an overflow tank.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'>Thank you</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'>Patrick Quinn</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'>Blue Mountains, Australia</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'>(where it’s been raining for almost 40 days and 40 nights)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Healeys [mailto:<a href="mailto:healeys-bounces@autox.team.net" target="_blank">healeys-bounces@autox.team.net</a>] <b>On Behalf Of </b>Alan Seigrist<br><b>Sent:</b> Friday, 25 February 2022 12:46 AM<br><b>To:</b> <a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a><br><b>Subject:</b> Re: [Healeys] Head Gasket</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>My A90 is 0 PSI .... still seems to run as cool as the 100 !<o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'> <o:p></o:p></p></blockquote></div></blockquote></div></div></div></div></blockquote></div></div></body></html>