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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Fred, I had the same problem until I determined the correct
torque to apply to the brass nuts and torqued them while the studs were hot. I
torqued several used nuts until they stripped. The required torque to strip
them was more than 300 lb-in. I installed new nuts and torqued them to 268
lb-in (a convenient click on my torque wrench) while they were hot as an initial
test. I later increased that to 288 lb-in a year later when I replaced the
gaskets, and I have had no more loosening or leakage problems.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Steve Byers<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>HBJ8L/36666<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>BJ8 Registry<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>AHCA Delegate at Large<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Havelock, NC USA<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></a></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Healeys
[mailto:healeys-bounces@autox.team.net] <b>On Behalf Of </b>Fred Wescoe<br>
<b>Sent:</b> Wednesday, October 16, 2019 8:46 PM<br>
<b>To:</b> healeys<br>
<b>Subject:</b> [Healeys] Down pipes<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal>Listers,<o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal>Today, I had to tighten the 6 nuts on my exhaust down
pipes. This is the second time in 2 years I have had to do
this. What is causing the nuts to work loose? Each of the 6 studs
from the exhaust manifolds has split lock washers and brass nuts on the down
pipe flanges. Each time time I have tightened the nuts, I tighten them
until the nuts squeak.<o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal>What am I doing wrong and does anyone else have this
issue? What do I need to do to fix this? The car is a 66 BJ8 with
stock manifolds and down pipes.<o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal>Thanks for any advice, I'm stumped,<o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal>Fred<o:p></o:p></p>
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<p class=MsoNormal>66 BJ8<o:p></o:p></p>
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