80 mph vibration: help troubleshoot
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80 mph vibration: help troubleshoot
Ford 9" rear with brand new 4:30 gears ... I have a bad vibration at 80 mph, swapped the driveshaft around to see if it would help but it doesn't. Could my driveshaft be out of balance? What else would contribute to a drive line vibration?
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Re: 80 mph vibration: help troubleshoot
it was a tire balance problem ... rotated the tires and the problem went away!