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Driveshaft vibration after all new components except the shaft... 700 1990

posted by  Will740turbo on  Sat Jan 7 01:03 CST 2023
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last visit: Wed Oct 22 16:09 CST 2014
[RELATED]

The Plot Thickens!


Just got the shaft installed after having it balanced and .... the vibration is maybe simpler but starts at lower speeds and feels a little more worrisome. I saw a page talking about the complexity of vibrations and how a simple vibration will cause one movement vibration per revolution and another will cause 2... and so on.

That sounds like maybe a universal joint sticking, but I'm really not sure. Maybe I will go tap all the universal joints, but something is still just not right. It's starting at like 15 miles an hour now.

The weights on the shaft are gi-floopin-gantic. Like 2 1.25-inch Fender Washers stuck on one side.

The shop said it was bent, so that doesn't sound too crazy to have huge weights, but they are really quite large.






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