<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Mmmmmmm schnitzel <br><br><div dir="ltr">~Steve<div><br></div></div><div dir="ltr"><br><blockquote type="cite">On Nov 24, 2019, at 3:29 PM, Chris Marx via Fot <fot@autox.team.net> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">To add:<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">The reason for the deformation of the crank is cause by the ignition forces.<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">The rod is hammering on one place of the bearing journal and like a Schnitzel it expands at that place from hammering on which bends the crank.<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Simple as that </span><span lang="EN-US" style="font-family:Wingdings;mso-fareast-language:EN-US">J</span><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Cheers<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Chris<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p><div><div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm"><p class="MsoNormal"><b>Von:</b> Fot <fot-bounces@autox.team.net> <b>Im Auftrag von </b>Phil Gott via Fot<br><b>Gesendet:</b> Sonntag, 24. November 2019 22:03<br><b>An:</b> Friends Of Triumph <fot@autox.team.net><br><b>Betreff:</b> Re: [Fot] Center main support<o:p></o:p></p></div></div><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Interesting, Chris:<o:p></o:p></p><div><p class="MsoNormal">My machine shop said that .002” run out at the center main, with the crank supported and spun on numbers 1 and 3 was a sign that it was developing high levels of internal stress (work hardening) and that it should be retired. They aim for 0 run out under these conditions. Based on what you’ve said, I wonder if they are being overly cautious. As they do not grind cranks themselves ( only polishing and balancing), they had little to gain from that diagnosis.<br>Thanks for the input.<o:p></o:p></p><div><p class="MsoNormal">Sent from my iPhone<o:p></o:p></p></div><div><p class="MsoNormal"><br><br><o:p></o:p></p><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal" style="margin-bottom:12.0pt">On Nov 24, 2019, at 9:26 AM, Tony Drews <<a href="mailto:tony@tonydrews.com">tony@tonydrews.com</a>> wrote:<o:p></o:p></p></blockquote></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"> <o:p></o:p></p><p>Wow! It's very nicely done. Certainly overkill.<o:p></o:p></p><p>Regards, Tony<o:p></o:p></p><div><p class="MsoNormal">On 11/23/2019 9:11 PM, Phil Gott wrote:<o:p></o:p></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal">Here are some photos: <o:p></o:p></p><div><div><p class="MsoNormal"><image0.jpeg><o:p></o:p></p></div><p class="MsoNormal"><o:p> </o:p></p><div><p class="MsoNormal"><image1.jpeg><o:p></o:p></p></div><p class="MsoNormal"><o:p> </o:p></p><div><p class="MsoNormal"> <o:p></o:p></p><div><p class="MsoNormal"><image2.jpeg><o:p></o:p></p></div></div><div><p class="MsoNormal"><o:p> </o:p></p></div><div><p class="MsoNormal"><o:p> </o:p></p></div><div><p class="MsoNormal">Sent from my iPhone<o:p></o:p></p></div><div><p class="MsoNormal"><br><br><o:p></o:p></p><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal" style="margin-bottom:12.0pt">On Nov 23, 2019, at 12:23 PM, Tony Drews <a href="mailto:tony@tonydrews.com"><tony@tonydrews.com></a> wrote:<o:p></o:p></p></blockquote></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"> <o:p></o:p></p><p>I agree, that sounds like overkill. Mine only requires the top of the cap to be machined flat, no other block mods.<o:p></o:p></p><p>Regards, Tony<o:p></o:p></p><div><p class="MsoNormal">On 11/23/2019 5:42 AM, Phil Gott wrote:<o:p></o:p></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal">Thanks again, Tony: <o:p></o:p></p><div><p class="MsoNormal">The one we have, built by the late Bill Throop, in addition to reinforcing the cap itself, has the block machined internally to accept the sides of a strap, then the strap is cross bolted from the sides, through the block from outside. I’m wondering if this is a bit of overkill. Based on your recommendation, it seems to be.<o:p></o:p></p></div><div><p class="MsoNormal">Maybe I can send some pictures later today, as we are pulling the engine today for other work.<o:p></o:p></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt">Phil<o:p></o:p></p><div><p class="MsoNormal">Sent from my iPhone<o:p></o:p></p></div><div><p class="MsoNormal"><br><br><o:p></o:p></p><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal" style="margin-bottom:12.0pt">On Nov 22, 2019, at 10:56 PM, Tony Drews <a href="mailto:tony@tonydrews.com"><tony@tonydrews.com></a> wrote:<o:p></o:p></p></blockquote></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"> <o:p></o:p></p><p>I run that setup, it was an uncle jack trick. Here's what he wrote about that (on my engine building tips page):<o:p></o:p></p><p><span style="font-size:13.5pt;font-family:"Tahoma",sans-serif;color:black;background:white">"I also like to strap the center main to add rigidity to the bottom end. To do this, mill off the cast face of the main flush with the surfaces for the head bolts. Get a front strap for a Chevy 400 block. You must enlarge the holes in the strap and you must use longer bolts. Some builders feel that this is totally unnecessary, but since starting to do this, I have never had a main bearing deteriorate faster than a rod bearing, which is something that happens more frequently than you would expect."</span><o:p></o:p></p><div><p class="MsoNormal">Regards, Tony Drews<o:p></o:p></p></div><div><p class="MsoNormal"><o:p> </o:p></p></div><div><p class="MsoNormal">On 11/22/2019 3:58 PM, Phil Gott via Fot wrote:<o:p></o:p></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><pre>Has anyone seen the need to add extra support to the center main on the TR wet sleeve engine? We have an engine that has a steel bridge cross-bolted underneath and supporting the center main cap. Is this needed? Just took 3 factory cranks to the machine shop and all three were bent about .002 in (.002 run out at center main when supported on first and last mains.) Two of these were raced, the third was removed from a tired street engine. note: None of these cranks came out of the engine with extra support at the center.<o:p></o:p></pre><pre>Curious as to the need for the extra support.<o:p></o:p></pre><pre>Thanks,<o:p></o:p></pre><pre>Phil Gott<o:p></o:p></pre><pre>114 TR4A<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Sent from my iPhone<o:p></o:p></pre><pre>_______________________________________________<o:p></o:p></pre><pre><a href="mailto:fot@autox.team.net">fot@autox.team.net</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre><a href="http://www.fot-racing.com">http://www.fot-racing.com</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Donate: <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><o:p></o:p></pre><pre>Archive: <a href="http://autox.team.net/archive">http://autox.team.net/archive</a> <a href="http://www.team.net/pipermail/fot">http://www.team.net/pipermail/fot</a><o:p></o:p></pre><pre>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/fot/tony@tonydrews.com">http://autox.team.net/mailman/options/fot/tony@tonydrews.com</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre></blockquote></div></blockquote></div></blockquote></div></blockquote></div></blockquote></div></blockquote></div></div><span>_______________________________________________</span><br><span>fot@autox.team.net</span><br><span></span><br><span>http://www.fot-racing.com</span><br><span></span><br><span>Donate: http://www.team.net/donate.html</span><br><span>Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot</span><br><span>Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/steve@artwithcars.com</span><br><span></span><br><span></span><br></div></blockquote></body></html>