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11-14-2020, 07:57 PM
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#1 |
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Registered User
Join Date: Sep 2018
Location: Sacramento,CA
Posts: 85
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12 bolt posi axels and all bearings info
So I pulled apart this 12 Bolt and see I need new axles and all the bearings does anyone know where I can get a good deal? The axels are 30 spline and I think they are 30 inches long. It's a 373 posi from the factory. Axels had pitting so I'm figuring just replacing axels and all bearings. I want to keep it 6 lug. I was told the rear end is out of a 67-69 c10. It's a track bar trailing arm coil rear end
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70 custom10 swb fleet side 454 th400 Last edited by Big70; 11-14-2020 at 08:08 PM. |
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11-14-2020, 08:49 PM
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#2 |
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Registered User
Join Date: Nov 2017
Location: Rapid City South Dakota
Posts: 3
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Re: 12 bolt posi axels and all bearings info
That’s is definitely a c10 housing and it is definitely the Trac bar version. And it is definitely a posi. Bearings can be obtained at any parts house or on line . Each bearing and race will have part numbers and manufacture clearly embossed in them. If they were stock more than likely timkens.
The truck rears were not as tough as the muscle / big car units but still plenty viable. I doubt you need new axles. |
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11-14-2020, 09:56 PM
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#3 | |
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Registered User
Join Date: Sep 2018
Location: Sacramento,CA
Posts: 85
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Re: 12 bolt posi axels and all bearings info
Quote:
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70 custom10 swb fleet side 454 th400 |
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11-15-2020, 12:25 AM
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#4 |
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Senior Member
 
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,029
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Re: 12 bolt posi axels and all bearings info
About 25 years ago, I needed new axles to rebuild the 3.73 12-Bolt rear in my '67 K/10 Suburban. The local Chevy dealer was out and there was a strike at the GM plant that made them. I got a good set of rear axles with 6 lugs from Moser. Custom made -- to stock.
Price wasn't bad. Also had the shop put an Auburn posi in that differential. Sub went down with an engine fire on the 454, 20 years ago. [Sad tale for another time.] Towed it home. Ten years ago, the 3.73 Factory posi rear on my '71 GMC lunched. So I cannibalized the Suburban's rear [with the Auburn, Moser parts] and now it's running on the Jimmy just fine.
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Every 25 years I like to rebuild that 292, whether it needs it or not. Last edited by '68OrangeSunshine; 11-15-2020 at 03:13 PM. |
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11-15-2020, 08:39 AM
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#5 |
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Registered User
Join Date: Jun 2015
Location: Rock Hill, SC
Posts: 37
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Re: 12 bolt posi axels and all bearings info
Following...
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11-15-2020, 11:14 AM
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#6 |
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Registered User
Join Date: Sep 2018
Location: Sacramento,CA
Posts: 85
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Re: 12 bolt posi axels and all bearings info
Found a set of motive gear axels that looks to fit the bill. Can buy on eBay or auto zone for $120 a side.
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70 custom10 swb fleet side 454 th400 |
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11-16-2020, 09:45 AM
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#7 |
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Registered User
Join Date: May 2005
Location: Tallahassee Fl
Posts: 773
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Re: 12 bolt posi axels and all bearings info
Dorman Axles are available at most parts houses. The one I bought fit nicely
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11-16-2020, 09:56 AM
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#8 |
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Senior Member
Join Date: Nov 2013
Location: East Tennessee
Posts: 2,107
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Re: 12 bolt posi axels and all bearings info
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. 
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11-16-2020, 10:47 AM
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#9 |
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Registered User
Join Date: Sep 2018
Location: Sacramento,CA
Posts: 85
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Re: 12 bolt posi axels and all bearings info
Thank you guys!
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70 custom10 swb fleet side 454 th400 |
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