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04-04-2016, 09:47 PM
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#1 |
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Registered User
Join Date: Oct 2015
Location: Keller, tx
Posts: 426
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Is this a 63 rear diff?
Want to make sure this is a 63C 10 rear differential before I have a rebuilt. Can anyone verify this for me?
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04-04-2016, 10:01 PM
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#2 |
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Check The Champ, Demonstrator
 
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: Is this a 63 rear diff?
Are the backing plates pressed on or bolted on would be the first indicator.
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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04-04-2016, 10:15 PM
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#3 |
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Check The Champ, Demonstrator
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: Is this a 63 rear diff?
Built in Warren Michigan in 1963 or 64. WE code is a 3.73 ratio positraction.
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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04-04-2016, 10:16 PM
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#4 |
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Check The Champ, Demonstrator
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: Is this a 63 rear diff?
WE code states 127" wheelbase.
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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04-04-2016, 10:18 PM
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#5 |
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Check The Champ, Demonstrator
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: Is this a 63 rear diff?
How they'd do the overhaul, watch the video.
https://www.youtube.com/watch?v=miCa9cDNKgI
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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04-05-2016, 08:58 AM
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#6 |
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Registered User
Join Date: Oct 2015
Location: Keller, tx
Posts: 426
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Re: Is this a 63 rear diff?
Backing plates are pressed on.
Thanks so much for the help guys! A local shop will rebuild totally with 5 lug 30 spline axles, 3:42 gears, Eaton posi, new bearings, new yoke, for ~$1500. |
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04-05-2016, 05:32 PM
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#7 |
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Registered User
Join Date: Mar 2013
Location: Fruitvale, BC
Posts: 72
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Re: Is this a 63 rear diff?
It already has the posi !
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Living The Canadian Dream in British Columbia |
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04-05-2016, 08:37 PM
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#8 | |
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Registered User
Join Date: Oct 2015
Location: Keller, tx
Posts: 426
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Re: Is this a 63 rear diff?
Quote:
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04-06-2016, 12:01 AM
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#9 | |
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60-66 Nut
 Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: Is this a 63 rear diff?
If it is still inside after 53 years, then it will be a 17 spline posi. Depending on which posi unit it is, the spider gears may or may not be available. Plus the fact that it will likely need rebuilt. The cost of rebuilding a posi is nearly as much as buying a new unit.
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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04-06-2016, 06:13 AM
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#10 | |
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Registered User
Join Date: Oct 2015
Location: Keller, tx
Posts: 426
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Re: Is this a 63 rear diff?
Quote:
Would a normal Eaton Posi hold up in my truck? Are there different/stronger Posies a ailble for our 60's trucks? |
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04-07-2016, 12:55 AM
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#11 |
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60-66 Nut
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: Is this a 63 rear diff?
The '63-'82 truck 12 bolt housings are all basically the same. The differences with the '63 12 bolt is 1) The pressed on backing plates and 2) The 17 spline axles 3) A different wheel/axle bearing and seal. As far as the carrier is concerned, any truck 12 bolt carrier will fit a '63 truck 12 bolt housing.
__________________
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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