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Street Suspension Lowered and air ride suspension.

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Old 11-01-2009, 03:55 PM   #91
SamCarroll
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Default Re: Weird Vibration

finally was able to get under my truck today. its definitely not my tires. its the pinion angle. My driveshaft was loose too So i tightened that down and took it for another rip and it did the same thing so i ordered 2* shims so i have to wait for those to come in and then ill install and hopefully itll be gone.
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Old 11-01-2009, 04:01 PM   #92
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Default Re: Weird Vibration

You mean the ujoint was bangin around in there?
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Old 11-01-2009, 04:03 PM   #93
SamCarroll
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You mean the ujoint was bangin around in there?
yeah but the vibration is still there so that didnt help or hurt anything.

It was tight when i first put it back on

Reminds me i need to re-torque everything else.
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Old 11-01-2009, 04:51 PM   #94
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Default Re: Weird Vibration

Did you get a longer center pin?
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Old 11-01-2009, 04:51 PM   #95
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Default Re: Weird Vibration

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Did you get a longer center pin?
this shim set is coming with a longer center pin and a spacer to it.
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Old 11-01-2009, 04:55 PM   #96
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Default Re: Weird Vibration

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this shim set is coming with a longer center pin and a spacer to it.
Badass.
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Old 11-01-2009, 04:56 PM   #97
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Default Re: Weird Vibration

yeah hopefully this will fix it
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Old 11-07-2009, 12:42 PM   #98
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Default Re: Weird Vibration

Installing the 2* shims here in a second. Im really tired of not being able to go above 70.
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Old 11-07-2009, 01:11 PM   #99
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Default Re: Weird Vibration

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Installing the 2* shims here in a second. Im really tired of not being able to go above 70.
at least its just a vibration..my trans is so fucked i cant give it enough gas to get above 70 or else it just slips and revs to 5k lol..makes the 180 mile trip on the interstate really fun..

hope you get that shit figured out
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Old 11-07-2009, 04:45 PM   #100
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Default Re: Weird Vibration

not fixed

I dont even know what to try now.
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Old 11-07-2009, 04:54 PM   #101
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Default Re: Weird Vibration

did you actually measure the pinioin angle with a angle finder, or are you just guessing and throwing a shim in there hoping to get it right....
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Old 11-07-2009, 04:56 PM   #102
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Default Re: Weird Vibration

yeah i am.

does anyone think it could be the combo of 4.88s with my small tires and the driveshaft?
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Old 11-07-2009, 05:12 PM   #103
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Default Re: Weird Vibration

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Originally Posted by SamCarroll View Post
yeah i am.

does anyone think it could be the combo of 4.88s with my small tires and the driveshaft?
Maybe...

Could your drive shaft have come unbalanced?
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Old 11-07-2009, 05:28 PM   #104
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Default Re: Weird Vibration

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yeah i am.

does anyone think it could be the combo of 4.88s with my small tires and the driveshaft?
This is actually likely, my truck vibrates at around 90. So with your drive shaft spinning faster at a lower speed it could be spinning past what it was balanced to. You should go get a high speed balance. That would at least knock the driveshaft out from the equation.
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Old 11-07-2009, 05:31 PM   #105
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Default Re: Weird Vibration

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This is actually likely, my truck vibrates at around 90. So with your drive shaft spinning faster at a lower speed it could be spinning past what it was balanced to. You should go get a high speed balance. That would at least knock the driveshaft out from the equation.
Thus relating to my previous statment of the d/s being unbalanced.
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