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Ring and pinion pattern

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Old Apr 29, 2017 | 05:12 AM
  #1  
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Default Ring and pinion pattern

Hi all!
First time doing a rear end and I need som advice.
Its a GM 8.5 with 3.73 gears and a Yukon DuraGrip posi.
Backlash is set to 0.008
After looking at multiple chart and adjusting some 20 times, Im leaning towards running with this setup.
Any advice to get the pattern better? or would you run these?

Thanks in advance!

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Old Apr 29, 2017 | 01:56 PM
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looks good,central and wide. a good pattern does not necessarily mean quiet.
What brand gears ?
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Old Apr 30, 2017 | 06:31 AM
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Default Gear vendor

Its USA Standard Gear. I belive its a brand under the Yukon Company.
Any thoughts?
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Old Apr 30, 2017 | 07:12 AM
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I would run that.
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Old Apr 30, 2017 | 07:38 AM
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Default Final pattern

Thanks all!
The final pattern after new bearings and tighten up to spec did not change, so im comfortable running that now.

Now its just the installation of the LS breaks and im good to go!
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Old Apr 30, 2017 | 08:16 AM
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Yep, looks a ok to me.
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Old Jul 9, 2018 | 04:00 AM
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Hey!
I want to ask if USA Standard Gear that you have are making any noise, becuase i'm gonna buy a 3.42 for my 1999 camaro next week, any advice i would appreciate it. thanks
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Old Jul 9, 2018 | 04:18 AM
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Hi,
Im happy with the gears. No noise are heard from the rearend, but ny hearing is not what It used to be😂 after a decade in the Army.
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