<div dir="auto">UNF Mark.<div dir="auto"><br></div><div dir="auto">M</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri., May 20, 2022, 10:37 a.m. Mark Donaldson via Healeys, <<a href="mailto:healeys@autox.team.net">healeys@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-NZ" link="#0563C1" vlink="#954F72" style="word-wrap:break-word"><div class="m_6689139862745670443WordSection1"><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">Listers,<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">I have a question about the four bolts that secure the intake manifold to the exhaust manifolds on our 6-cylinders.<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">Over the 60 years the threads between the aluminium (note correct spelling) and the cast iron have been sacrificed, rendering the bolts unreliable.<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">The parts manual tells us they are: <b>HBZ 056  </b>-  3 ¼” x 5/16” with the end thread 1” long.<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">Though an unusual bolt, I think I can source them here in NZ.<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">My question is:  <b>What is the thread?   UNF or BSF</b><u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">TIA<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">Mark<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">Ardmore<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">NZ <u></u><u></u></span></p></div></div>_______________________________________________<br>
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