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06-04-2014, 12:58 AM
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#2 |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: Which rearend to use
If the differential with the 3.42 gears is a truck 12 bolt, just pull the parts out of that housing, and put them in the '63 housing. You will have to change the side spider gears with the '63 side spider gears since the '63 & '64 axles are 17 spline. You will want to check the tooth contact pattern after you swap the parts.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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06-05-2014, 09:50 PM
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#3 |
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Registered User
Join Date: Sep 2013
Location: La Vernia, Texas
Posts: 207
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Re: Which rearend to use
Thanks y'all. Captfab thanks for that option.
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Active duty Navy CPO 1961 C10 SWB 1963 C10 LWB (donor) 1965 C10 LWB BBW |
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06-05-2014, 11:22 PM
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#4 |
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The 60-66 GMC/Pontiac guy....
Join Date: Oct 2010
Location: Apache Junction, Arizona
Posts: 1,306
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Re: Which rearend to use
Your going to need to move the trailing arm perches anyway on the 12 bolt.
They are in a different location than the 61 eaton rear. You would be better off finding a 3.07 12 bolt and welding the perchs on it. the 73-80 12 bolts out of 4X4s have 6 lug. LOTS of 4X4s had 3.42 gears. I have found several. 
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Building Genuine Pontiac Firepowered cars and trucks for several decades.  Why Pontiac?? That's just me daring to be different.  Projects.. 63 C10 Short Wheel Base fleetside (The Pro-Street) currently under reconstruction. 440CID 2X4 Pontiac 
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06-06-2014, 01:00 AM
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#5 | |
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Registered User
Join Date: Sep 2012
Location: Dallas, GA
Posts: 1,497
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Re: Which rearend to use
Quote:
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06-06-2014, 02:23 PM
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#6 |
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Registered User
Join Date: Sep 2013
Location: La Vernia, Texas
Posts: 207
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Re: Which rearend to use
This 9"?
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Active duty Navy CPO 1961 C10 SWB 1963 C10 LWB (donor) 1965 C10 LWB BBW |
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06-06-2014, 03:11 PM
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#7 |
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Registered User
Join Date: Sep 2013
Location: La Vernia, Texas
Posts: 207
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Re: Which rearend to use
14 bolt in a 1988 or so 2500. With 6 lug!
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Active duty Navy CPO 1961 C10 SWB 1963 C10 LWB (donor) 1965 C10 LWB BBW |
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06-06-2014, 03:16 PM
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#8 |
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Registered User
Join Date: Sep 2013
Location: La Vernia, Texas
Posts: 207
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Re: Which rearend to use
This galaxy is said to have a good 9" in it.
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Active duty Navy CPO 1961 C10 SWB 1963 C10 LWB (donor) 1965 C10 LWB BBW |
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06-07-2014, 01:40 AM
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#9 | |
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60-66 Nut
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: Which rearend to use
This one will be 2-3/4" wider than your Eaton HO32.
Quote:
__________________
Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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06-06-2014, 02:08 PM
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#10 |
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Registered User
Join Date: Sep 2013
Location: La Vernia, Texas
Posts: 207
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Re: Which rearend to use
I guess a 12 Bolt from a car would not work or would not be the same right? What about a ford 9"? I think I found some.
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Active duty Navy CPO 1961 C10 SWB 1963 C10 LWB (donor) 1965 C10 LWB BBW |
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