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<p>The question was RE-torque. Obviously you put the engine
together including properly torquing the head while it's cold.
With an iron head and composite gasket you run the engine for a
bit (I use the cam break-in 20 minutes for that), and when it's
good and warm you torque the head a 2nd time. With an aluminum
head you're supposed to let it cool before torquing a 2nd time.</p>
<p>Tony<br>
</p>
<br>
<div class="moz-cite-prefix">On 7/31/2018 7:53 PM, David P wrote:<br>
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<p>this makes no sense. To get it hot it has to run, but one
wouldn't run it without it being torqued down especially with
wet liners. So cold torque the head and use new studs and nuts
too. daveP<br>
</p>
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<div class="moz-cite-prefix">On 7/31/2018 12:26 PM, Tony Drews
wrote:<br>
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<p>Retorque hot.</p>
<p>A rule I thumb I was recently told: Iron head = retorque hot,
Aluminum head = retorque cold.</p>
<p>Cheers, Tony Drews<br>
</p>
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<div class="moz-cite-prefix">On 7/31/2018 10:51 AM, <a
class="moz-txt-link-abbreviated"
href="mailto:asg123@centurylink.net" moz-do-not-send="true">asg123@centurylink.net</a>
wrote:<br>
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font-size: 12pt; color: #000000">
<div>Recently replace the exhaust valves on my car. New
German made head gasket. Running well, very pleased.
Wonder what the consensus is it better </div>
<div>to re torque when engine is cool or hot? As always
thanks to all for the help I have received keeping this
car going over the years. Arnold S Gilmour<br
data-mce-bogus="1">
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