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Old Sep 23, 2005 | 12:17 PM
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skindog39
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Question stock rear end
does anyone know the specs on a stock, 4.8L silverado rear end? (?-bolt, ?-spline, etc.? Thanks.
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Old Sep 23, 2005 | 12:39 PM
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Originally Posted by skindog39
does anyone know the specs on a stock, 4.8L silverado rear end? (?-bolt, ?-spline, etc.? Thanks.

8.625" 10 bolt
31 spline
3.42 standard, 3.73 optional for 2wd
3.73 standard, 4.10 optional for 4wd
(until 05')
optional gov-lock locking differential available.
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Old Sep 23, 2005 | 12:46 PM
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what positive locking differential would work with that? I plan on putting 4.10s in as well? Would I have to put the posi-lock in at the same time, or can they be done at different stages? Thanks!
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Old Sep 23, 2005 | 03:14 PM
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for normal street use i recomend using an auburn or eaton standard limited slip type unit.
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Old Sep 23, 2005 | 04:09 PM
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will an 8.5 eaton fit in a stocker? or do I have to look into getting a 8.6.I have looked and havent found anything.
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Old Sep 23, 2005 | 04:12 PM
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I believe the 8.5 is the one that I have.
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Old Sep 23, 2005 | 04:41 PM
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you have to make sure it's for the new body style truck.

part # 19559-010 should be your application.

Link
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Old Sep 24, 2005 | 12:05 PM
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Talking
do u know the part number for an 01 4.8?
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Old Sep 25, 2005 | 07:00 AM
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What about a Detriot Locker Trutrack? They appear to be a few less bucks and also appear to be a nice unit.
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Old Sep 25, 2005 | 09:18 PM
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Might help if you planned on doing the Eaton yourself. I didn't tackle gears, which I hear should be something left to the experienced.

http://james.jaguar.net/agreif/eaton/eatontech.htm

Andrew
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