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--></style></head><body lang=EN-US link=blue vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Lance,</p><p class=MsoNormal>I had a very similar sideways vibration on an older Jeep truck driving 55-70mph and the culprit was an out of balance driveshaft. </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I would suspect your driveshaft isn’t balanced. Could be because balancing weight rusted or flew off or shaft got kinked from a speed bump.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Jon</p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='border:none;padding:0in'><b>From: </b><a href="mailto:rovernet@rovernet.org">Lance La Certe via Rovernet</a><br><b>Sent: </b>Wednesday, June 12, 2024 10:04 AM<br><b>To: </b><a href="mailto:rovernet@rovernet.org">Rovernet</a><br><b>Cc: </b><a href="mailto:lacpsyd6@msn.com">Lance La Certe</a><br><b>Subject: </b>[Rovernet] Vibrations galore</p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Some of you may remember "Magic Fingers" vibrating beds in 1960s motels? Well, that cost 25 cents for 15 minutes. In my '70 P6B NADA I can get this for free between 60mph and 68mph for as long as I want.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Some background. 6-7 years ago I retrofitted a Celica Supra 5 speed manual to the car. It instantly transformed that V8 into a proper beast (relatively speaking of course). The modification also required a new propellor shaft which was supposedly balanced.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>I never take particularly long drives in my garage queen, and rarely 'open her up'. Nonetheless, I was on the interstate the other day and noticed significant vibration through the car at anything over 60 mph. If I pushed it past 70 mph then the vibration abated.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Would really appreciate any diagnostic help<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div id=Signature><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black;background:white'>Lance </span><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:#C82613'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black;background:white'>Pastafarian</span><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black;background:white'>AKA, Hoof Hearted</span><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black'>First Law of Debate: Never argue with a fool --- people might not know the difference.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:14.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:Roboto;color:#0F0F0F'><o:p> </o:p></span></p></div></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>