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        <div>Phil, I did not get your original email, but got a couple of the responses.  Sorry I do not have any information to help, but here is a link to TerriAnn's web site. JoeB</div><div dir="ltr" data-setdir="false"><span class="ydp766de358pasted-link"><a href="http://www.tr3a.info/index.htm" rel="nofollow" target="_blank">http://www.tr3a.info/index.htm</a></span><br></div><div dir="ltr" data-setdir="false"><br></div><div><br></div>
        
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                    On Tuesday, September 22, 2026 at 02:41:33 PM EDT, Mark Cook <mecook635@gmail.com> wrote:
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                <div><div id="ydp8e778e6ayiv6516122088"><div dir="ltr"><div>Phil,</div><div><br></div><div>Confirming I received it as well, but I have no knowledge regarding the topic. </div><div><br></div><div>Thanks,</div><div><br></div><div>Mark Cook</div></div><br><div class="ydp8e778e6ayiv6516122088gmail_quote ydp8e778e6ayiv6516122088gmail_quote_container"><div dir="ltr" class="ydp8e778e6ayiv6516122088gmail_attr">On Fri, Sep 18, 2026 at 5:41 PM <<a href="mailto:vfracing@aol.com" rel="nofollow" target="_blank">vfracing@aol.com</a>> wrote:<br></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;" class="ydp8e778e6ayiv6516122088gmail_quote"><div style="font-family:Matter, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;font-size:12pt;">Hi!</div><div style="font-family:Matter, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;font-size:12pt;"><br></div><div style="font-family:Matter, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;font-size:12pt;">Seeking information on the torsional vibrations in the wet sleeve TR engine.  Particularly those above 6000 rpm.  Need to know the frequency of the vibrations, if anyone has any info?  Data for billet crank as well s factory crank would be helpful.</div><div style="font-family:Matter, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;font-size:12pt;"><br></div><div style="font-family:Matter, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;font-size:12pt;">This has been discussed before, I think.  Please forgive the repetition, as I don't know how to access prior messages.  TerriAnn has some info, but I can't seem to access the homepage.</div><div style="font-family:Matter, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;font-size:12pt;"><br></div><div style="font-family:Matter, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;font-size:12pt;">Thanks, Amici!</div><div style="font-family:Matter, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;font-size:12pt;"><br></div><div style="font-family:Matter, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;font-size:12pt;">Phil</div>_______________________________________________<br>
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