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<p class="MsoNormal">I’d suspect the valves and not replace the rockers unless they show a wear pattern. The softer of the two metal surfaces would deform.</p>
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<p class="MsoNormal">Just my $0.20 ($0.02 after inflation)</p>
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<p class="MsoNormal">Cliff</p>
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<p class="MsoNormal">Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">
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<p class="MsoNormal" style="border:none;padding:0in"><b>From: </b><a href="mailto:ghaynestr4@aol.com">George Haynes</a><br>
<b>Sent: </b>Sunday, May 2, 2021 12:43 PM<br>
<b>To: </b><a href="mailto:triumphs@autox.team.net">triumphs@autox.team.net</a><br>
<b>Subject: </b>[TR] Valve Stem Wear</p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Had the rocker shaft off my TR4A recently and found several valve stem tips pitted and peened over. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Metal was displaced so a finger nail could feel it. Would you call it Galling? Head was done about 35K miles ago.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">I've never seen this before. Stock Crane camshaft, valve springs and tubular pushrods. Valvoline VR-1 20W-50 oil.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">The rocker arm pads have been ground at what was supposed to be the correct radius. Don't know how to verify that.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Has anyone experienced this? How does it happen? My inclination is to replace the all valves and rockers.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Thanks for any insight!<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">George Haynes<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">CTC55423LO<o:p></o:p></span></p>
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