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12-10-2012, 05:25 PM
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#1 |
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Registered User
 
Join Date: Dec 2012
Location: Willamina, OR
Posts: 49
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Anyone have some 12 bolt knowledge to share with me?
I gotta 1970 12 bolt and was wondering if the housing is the same as an 83 12 bolt. length, tube size, and carrior bearings?
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12-10-2012, 08:11 PM
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#2 |
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Senior Member
Join Date: Jul 2006
Location: Blountville, Tn.
Posts: 3,904
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Re: Anyone have some 12 bolt knowledge to share with me?
I'm not 100% sure. But the internals may be the same, but the axle tubes are wider on the 83. I'm sure someone will chime in that has more info.
oh and welcome to the board
__________________
*We could learn a lot from crayons... Some are sharp; some are pretty;and some are dull. Some have weird names; and all are different colours;but they all have to live in the same box. * You may be only one person in the world, But you may also be the world to one person. * Some mistakes are too much fun to only make once. Two rules in life. 1. Never sweat the small stuff! 2. Everything is small stuff! |
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12-10-2012, 08:33 PM
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#3 |
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Registered User
Join Date: Dec 2012
Location: Willamina, OR
Posts: 49
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Re: Anyone have some 12 bolt knowledge to share with me?
ok, i was affraid of that. i heard they changed something in 81 but wasn't sure what. i guess that just pushes me closer to buyin posi... thx for your help
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12-10-2012, 08:35 PM
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#4 |
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Registered User
Join Date: Dec 2012
Location: Willamina, OR
Posts: 49
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Re: Anyone have some 12 bolt knowledge to share with me?
and thx for the warm welcome!
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12-10-2012, 09:28 PM
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#5 |
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Registered User
Join Date: May 2012
Location: Anton, Texas
Posts: 2,364
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Re: Anyone have some 12 bolt knowledge to share with me?
welcome from Texas...i think you would have problems unless your truck has leaf springs. and the newer one should be wider like barryb said.
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12-10-2012, 11:03 PM
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#6 |
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Registered User
Join Date: Jul 2007
Location: slc, ut
Posts: 318
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Re: Anyone have some 12 bolt knowledge to share with me?
It is definitely wider. they changed in 71 to 1.5" wider. I dont think much has changed since then but the best place to ask is a driveline/rearend shop. They could tell you all the specifics for whatever year and rear
__________________
Phil '70 Longhorn 421 700r4 tach 4 wheel disc hydroboost daily driver '72 short super build 4wd '72 Suburban LT4 coming soon!! |
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12-10-2012, 11:54 PM
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#7 |
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Registered User
Join Date: Dec 2012
Location: Willamina, OR
Posts: 49
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Re: Anyone have some 12 bolt knowledge to share with me?
i didn't know they changed it in 71 but that makes sence with the change to leaf springs. thx for all the tips! the spider gears, pinion and inner bearings should be the same right? so i could getta little later modle posi to put in my housing?
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