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[WY] Posi wanted for 10 bolt

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Old 09-28-2009, 11:28 PM
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Posi wanted for 10 bolt
Hi guys. I am looking for a good posi unit for a 10 bolt rear end. I would consider buying a complete rear with 3:23 or higher gears, but most guys aren't willing to ship such a large part.

Please let me know. I hate open diff.

Thank you all.
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Old 09-29-2009, 02:20 AM
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Re: Posi wanted for 10 bolt
26 spline?
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Old 09-29-2009, 07:51 AM
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Re: Posi wanted for 10 bolt
If the LS is for your 86, the axles are 26-spline. You might consider upgrading to an Eaton and 28-spline axles--should money not be a concern (but when isn't it?).

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Old 09-29-2009, 02:46 PM
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Re: Posi wanted for 10 bolt
ive got a zexel torsen take out posi unit thats sitting in my garage, it is a 2 series tho
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Old 09-29-2009, 04:22 PM
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Posi wanted for 10 bolt
Yes, I realize I will have to change to 28 spline. Would a 2 series be OK? I'm not up to speed on rear end stuff.
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Old 09-29-2009, 04:31 PM
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Axle/Gears: Limited Slip 3.23's
Re: Posi wanted for 10 bolt
Originally Posted by New2Chevy
Yes, I realize I will have to change to 28 spline. Would a 2 series be OK?
No. Check the following link for the info you'll need:

https://www.thirdgen.org/forums/tran...-10-bolts.html

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Old 09-29-2009, 06:45 PM
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Re: Posi wanted for 10 bolt
Forgot to add that to about the torsen, it requires 28 spline axles, and the 2 series carrier is for 3:23 and lower gears unless you get a gear spacer(not recomended) or get a brand new thicker gear from an aftermarket source.
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Old 09-29-2009, 06:48 PM
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Re: Posi wanted for 10 bolt
Originally Posted by bm87ta
Forgot to add that to about the torsen, it requires 28 spline axles, and the 2 series carrier is for 3:23 and lower gears...
Series II is 3.08 down, series III, 3.23 up.

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Old 09-29-2009, 06:56 PM
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Posi wanted for 10 bolt
Ah, OK...I read that somewhere, but I forgot. Thank you.
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Old 09-29-2009, 07:05 PM
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Re: Posi wanted for 10 bolt
Thanks James, it sounded right in my head but didn't come out right. Little sleep deprived, newborn in the house.
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Old 09-29-2009, 08:55 PM
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Axle/Gears: Limited Slip 3.23's
Re: Posi wanted for 10 bolt
Originally Posted by bm87ta
Thanks James, it sounded right in my head but didn't come out right. Little sleep deprived, newborn in the house.
Congrats. Sleep deprived or not, savor these years because they're wonderful and because time flies. My baby is 31 with two little ones and her older brother is 34 with another two. The grandkids are a hoot--and I get to send them home when I'm worn out !

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Old 09-29-2009, 09:46 PM
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Posi wanted for 10 bolt
I found an Auburn on Ebay some time back for $150.00. I shoulda jumped on that.
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Old 09-29-2009, 09:51 PM
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Re: Posi wanted for 10 bolt
http://shop.ebay.com/?_from=R40&_trk...All-Categories

Here are links to the first three I found, but I only looked at the first of seven pages.

http://cgi.ebay.com/ebaymotors/GM-7-...Q5fAccessories

http://cgi.ebay.com/ebaymotors/GM-7-...Q5fAccessories

http://cgi.ebay.com/ebaymotors/AUBUR...Q5fAccessories
Last edited by gregsz-28; 09-29-2009 at 09:57 PM.
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Old 09-30-2009, 09:26 AM
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Re: Posi wanted for 10 bolt
I have an eaton posi I bought a few years back for a 28 spline its a 3 series Its still in the box it was shipped to me in. IF interested let me know.
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