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10-05-2005, 09:57 PM
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#1 |
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Registered User
Join Date: Sep 2005
Location: colorado
Posts: 24
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posi questions
Can I use a posi carrier out of a 3.73 gear rearend for some 4.11's? Can someone tell me what posi carrier's work for what.. Thanks..
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10-05-2005, 10:08 PM
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#2 |
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Dork For Days
Join Date: Aug 2005
Location: Dallas
Posts: 407
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Pretty sure
I can't remembe exactly where the cut-off is, but I think it's down near 3.08 or so. One carrier is for 3.08 (or something like that) and lower numerically and the other is for the higher numerical gears. I'm 99% sure you're good to go.
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10-05-2005, 10:18 PM
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#3 |
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Registered User
Join Date: Jul 2003
Location: north of Phx AZ about 30 miles
Posts: 698
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No, you more than likely have a three series carrier, and 4.11s have a four series carrier.
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Andy,Phx AZ '67 C-10 (Ahhh, done at last. Well there is that disk front end I want to put in and...) "23 C-Cab-sold '48 Ford 8N tractor(still working) '67 Scout(Now on the road) '70 MG B.-sold |
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10-05-2005, 10:19 PM
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#4 |
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DON'T TREAD ON ME
 
Join Date: May 2005
Location: Crosby County, TX
Posts: 989
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According to my Jeg's catalog, the range for a 12 bolt truck is 2.76-3.42 and then 3.73 and up. This applies to both Auburn and Eaton (the only two they carry), so I think you're good to go.
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Old Yeller |
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10-05-2005, 10:21 PM
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#5 |
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Dork For Days
Join Date: Aug 2005
Location: Dallas
Posts: 407
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Dang!
Man, guess I was off a bit.
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10-05-2005, 10:23 PM
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#6 | |
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DON'T TREAD ON ME
Join Date: May 2005
Location: Crosby County, TX
Posts: 989
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Quote:
Phatcat, it looks like we're going to have to find out what kind of posi unit you have.
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Old Yeller |
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10-05-2005, 10:24 PM
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#7 |
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Registered User
Join Date: Jun 2004
Location: Saskatchewan, Canada
Posts: 1,368
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Yes you have a series 4 and stock 4:10's will work. A side note, most aftermarket gear makers have gears to fit both, as in they have 3:73's, 4:10's for both, even 4:56's for both.
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Speed is just a matter of money, question is how fast can you afford to go? 8.95@148.97mph all motor haven't tried bottle yet Sponsored by: Getz Oilfield Consulting Hard Candy Customs |
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10-05-2005, 11:08 PM
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#8 |
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Registered User
Join Date: Sep 2005
Location: colorado
Posts: 24
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posi
The deal is I found some nos GM 4.11 gears. And a stock posi carrier out of a 3.73 rearend. My current 12 bolt is a 3.73 but no posi. I just want to make sure these will work together before I buy them..
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