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<td>Re: [TR] Crank shaft bearings,1965 TR4A</td>
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<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Date: </th>
<td>Thu, 3 Oct 2019 10:38:43 -0600</td>
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<th valign="BASELINE" nowrap="nowrap" align="RIGHT">From: </th>
<td>David P <a class="moz-txt-link-rfc2396E" href="mailto:frogeye@porterscustom.com"><frogeye@porterscustom.com></a></td>
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<td><a class="moz-txt-link-abbreviated" href="mailto:asg123@centurylink.net">asg123@centurylink.net</a></td>
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<p>I suspect you might be trying to avoid the effort to take the
engine apart.... I'll say, that being the case you could have
someone make babbet bearings that might do what you seek.... or
not. Best to have the crank machined and buy proper bearings.
The machining isn't all that expensive... DaveP<br>
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<div class="moz-cite-prefix">On 10/3/2019 9:24 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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<div>Good day all. Any experience or recommendations for
best bearings to use on an old, maybe not so concentric,
crankshaft. Mechanic/ friend has schooled me that a
perfect, recently machined crankshaft can tolerate hard
bearings that will last a long time without any need to
conform to crankshaft irregularities. An old out of round
crank needs bearing material that is somewhat malleable and
can embed into the irregularities but is so soft they
usually don't last as long. The old Clevite 77 bearings
had both advantages of<span class="st"><em> embeddability</em></span>
and a durable alloy. However, it seems that those NOS
bearings are now unavailable I think I read that the King
Bearings are the closest to them. Thanks, Arnold <br>
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<pre class="moz-quote-pre" wrap="">** <a class="moz-txt-link-abbreviated" href="mailto:triumphs@autox.team.net" moz-do-not-send="true">triumphs@autox.team.net</a> **
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Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World go here: <a class="moz-txt-link-abbreviated" href="http://WWW.PORTERBIKES.COM/" moz-do-not-send="true">WWW.PORTERBIKES.COM/</a></pre>
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