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TECH
Drivetrain
Vibrations at 80+
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<blockquote data-quote="OldZeuski" data-source="post: 1589490" data-attributes="member: 31288"><p>I just don’t understand how everyone seems to say when they switched to an aluminum shaft it fixed their vibration issues. I can’t be the only person with a ford performance aluminum shaft that gets the car over 80 mph. And I’m not sure I believe 4200 rpm is the critical speed of an aluminum tube. </p><p></p><p>The equation for critical speed is easy to solve. I seriously doubt the critical speed of this shaft is anywhere below 7500 rpm.</p></blockquote><p></p>
[QUOTE="OldZeuski, post: 1589490, member: 31288"] I just don’t understand how everyone seems to say when they switched to an aluminum shaft it fixed their vibration issues. I can’t be the only person with a ford performance aluminum shaft that gets the car over 80 mph. And I’m not sure I believe 4200 rpm is the critical speed of an aluminum tube. The equation for critical speed is easy to solve. I seriously doubt the critical speed of this shaft is anywhere below 7500 rpm. [/QUOTE]
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