driveline vibration 2011 F350 dually with 10" lift - Ford Powerstroke Diesel Forum

 
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post #1 of 2 Old 03-13-2013, 11:48 PM Thread Starter
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driveline vibration 2011 F350 dually with 10" lift

Those of you with lifted dually CC LB's what are you using for a rear driveshaft. I lifted my 2011 F350 dually CC LB 10 inches and no matter what I do I can not get rid of this driveline vibration. So far I've tried rotating the pinion up 5 degrees, a custom 1.5 inch transmission drop mount, completely rebuilding the driveshaft and of course shimming the the carrier bearing and nothing seems to help. After doing all that I looked into getting a one piece drive shaft made but no local driveline shop will build me a one piece that long. Some of the guys over on the cummins forum with similiar issues seem be getting away with a one piece without any issues. I am completely at my wits end with this issue. Anyone here have any ideas?

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post #2 of 2 Old 03-17-2013, 04:34 PM
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When I put the 20" lift in mine i ditched the 2 piece shaft for a custom 1 piece with a high angle cv on the transfer case side. I know there are critical length measurements you are not supposed to go beyond. I was close to max length with my supercab dually. You will have to keep the 2 piece , i believe, but it can be made to run vibration free. My truck had a little shudder on takeoff when stock with the 2 piece....and absolutely smooth a silk at all speeds with the 20" lift and the custom shaft with cv joint. I ordered mine from High Angle Driveline out in CA and have been running it for over 10 years now....quality piece. Here is a link from them on the f350 shafts:

High Angle Drivline-Call Jesse at 530-877-2875 - My Buildup

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