Vibration after 4.10 install?

LSKILLA

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Feb 11, 2013
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145
Location
Pasadena Tx
Have a vibration at about 70 mph. No noise, set backlash and pinion preload. Everything looked good, gear mesh good. But have a vibration above 70. Deceleration no vib. What do you guys think? Match marked DS and put it back. WTF?
 

manolith

I Wanna go fast.
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May 6, 2011
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2,856
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miami
The ds will spin a lot more. I have a slight vibration too around 50 and 80mph. Stock ds.
 

blackbeast12

Dr. Frankenstang
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Apr 30, 2012
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3,929
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Delaware
Time to upgrade to an aluminum ds, and i know you think you shouldn't have to but it will solve the problem!
 

calgarybandit

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Jun 24, 2012
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295
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Calgary
When I had 4.10 gears I had a slight vibration, the DS is spinning quicker even with a one piece you will still have the same result.
 

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