Driveshaft Phasing

[VegasRanger]

Already have. He couldn't be sure about the critical speed concern. I'm just wondering if your truck is smoother at hoghwsy speed with thevone piece.

Mine has been. I’ve gone 85 plenty of times. My DS probably has around 8K miles on it by now if not more

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[Robwill]

Mine has been. I’ve gone 85 plenty of times. My DS probably has around 8K miles on it by now if not more

Thanks!

 

[navsnipe]

Already have. He couldn't be sure about the critical speed concern. I'm just wondering if your truck is smoother at hoghwsy speed with thevone piece.

I haven't gotten one yet. Had a field service engineer get involved in my shudder issue. It's better but not gone. They don't have a fix if all the angles are good and it still shudders. Once they tell me it is as good as it gets I will get a one piece ordered.

 

[Robwill]

I haven't gotten one yet. Had a field service engineer get involved in my shudder issue. It's better but not gone. They don't have a fix if all the angles are good and it still shudders. Once they tell me it is as good as it gets I will get a one piece ordered.

Ford is supposedly elevating my issue to an engineer butnoyhing has happened yet. I had the tsb done with no result other than creating a vibration at 80 mph. I shimmed my center bearing down 5/16" and that reduced the shudder but did nothing for the high speed vibration. My next step is a one piece assuming there won't be a critical speed issue.

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