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Old 12-12-2010, 07:40 PM   #1
87 chevy silverado
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Cool 12 bolt rear end

i got it from a 84 gmc 4x4 not sure if it has 4.11 or 4.88s. needing it gone and it will be awhile till i work on it so mite as well sell it. missing the studs and the break assembly 150$. it is a 6 lug.. pics are in my build thread. local pick up only or for price of gas i can meat you some were.

Last edited by 87 chevy silverado; 12-12-2010 at 07:42 PM.
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Old 12-12-2010, 07:43 PM   #2
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Re: 12 bolt rear end

http://67-72chevytrucks.com/vboard/s...=341993&page=5
my build thread pics are on page 5
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Old 12-13-2010, 11:43 AM   #3
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Re: 12 bolt rear end

ttt no body want one?
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Old 12-13-2010, 02:01 PM   #4
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Re: 12 bolt rear end

there are 43 teeth on the big gear

180 degrease

says c6?
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Old 12-16-2010, 08:17 AM   #5
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Re: 12 bolt rear end

any one? ttt
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Old 12-16-2010, 09:51 AM   #6
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Re: 12 bolt rear end

There should be more numbers on the ring gear somewhere. It should give you the number of teeth on the pinion as well. That should let you figure out the gear ratio. They should also have "GM" stamped on the ring gear, otherwise they might be aftermarket.
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Old 12-16-2010, 11:42 AM   #7
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Re: 12 bolt rear end

Quote:
Originally Posted by 68chevyfuelie View Post
There should be more numbers on the ring gear somewhere. It should give you the number of teeth on the pinion as well. That should let you figure out the gear ratio. They should also have "GM" stamped on the ring gear, otherwise they might be aftermarket.
im for sure there am
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Old 12-20-2010, 09:53 PM   #8
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Re: 12 bolt rear end

they are aftermarket
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Old 12-21-2010, 11:19 PM   #9
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Re: 12 bolt rear end

I am really interested in this rear end if you can find what ratio it is. if its a 4:56 or 4:88 I want it.
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Old 12-21-2010, 11:44 PM   #10
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Re: 12 bolt rear end

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I am really interested in this rear end if you can find what ratio it is. if its a 4:56 or 4:88 I want it.
i realy dont know the gears best thing to do is come look for ur self
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Old 01-23-2011, 06:41 PM   #11
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Re: 12 bolt rear end

some one any one??????
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