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12-09-2010, 05:21 PM
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#1 |
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Registered User
 
Join Date: Jun 2006
Location: Olive Branch, MS
Posts: 824
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Posi Spring question ? pls help.
Hey all, a buddy at work just told me about his budge posi for a 94 pickup he used to have. According to him the late 80's early 90's Camaro's that did not come with a posi unit, came with a spring to keep tension on the spider gears.
I had never heard of it. He found the GM part number 231260 - about 16.00 Said he stuck one in his pick up with a open diff. Not as effective as a actual posi for high perf stuff. But for a cheap/fun upgrade on my 68, sounds like the ticket. Just wondering if any of you have tried this trick, or have any more info. I ordered the spring from the dealer I work for. Will post updates.
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68 C10 Shortbed Fleetside 06 Chevy Ext Cab Fleetside 03 Grand Prix GTP My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=269999 |
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12-09-2010, 10:55 PM
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#2 |
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Registered User
Join Date: Dec 2007
Location: Southington CT
Posts: 548
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Re: Posi Spring question ? pls help.
cool idea! Let us know how it goes & please take some photos of the install.
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12-10-2010, 12:12 AM
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#3 |
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Registered User
Join Date: Jun 2006
Location: Olive Branch, MS
Posts: 824
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Re: Posi Spring question ? pls help.
Will do
__________________
68 C10 Shortbed Fleetside 06 Chevy Ext Cab Fleetside 03 Grand Prix GTP My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=269999 |
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12-10-2010, 12:15 AM
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#4 |
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Registered User
Join Date: Jan 2007
Location: North Carolina
Posts: 107
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Re: Posi Spring question ? pls help.
I am really interested in seeing this! I have a 12 bolt with a 4.10 open diff. and was considering ordering a new limited slip set up but I think that I will wait and see how this turns out!!!
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12-12-2010, 04:06 PM
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#5 |
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Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: Posi Spring question ? pls help.
Sorry to be the party pooper here, but if that spring puts any substantial amount of load on the side gears, I can imagine bad things happening where the backside of the gears rubs against the inside of the differential case. Of course if you only drive in a straight line and both your rear tires are exactly the same diameter you won't have any problems.
This isn't an issue with a normal posi because the wear is taken on the clutch plates rather than on the gears and case. Ray
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Live more responsibly. Eat lower on the food chain. Eat vegetarians. |
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12-12-2010, 06:07 PM
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#6 | |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: Posi Spring question ? pls help.
There is a washer back there, between the side gear and the case, but point made anyway. I am not in favor of this "modification" either. I almost posted on this a few days ago, but I really do get tired of being the wet-blanket.
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You can review the site's rules here. Quote:
Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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12-12-2010, 10:03 PM
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#7 |
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Registered User
Join Date: Aug 2001
Location: rock island,il,usa
Posts: 5,382
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Re: Posi Spring question ? pls help.
Shoot me the pn & the pic of the part....he!!, Ill try it one time
It dont sound like a drag race deal, but I run the streets of Rock Island After a few yrs playin, I learned that an open diff VW, with a few extra shims in the spiders could flat Azz walk a straight line (with the back bumper draggin on a sand rail). crazy Al
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