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#1 |
Registered User
![]() Join Date: Mar 2014
Location: Tulsa OK
Posts: 96
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1964 rear drum backing plates interchangeability
Long story short, I need the backing plates and all non reproduced parts for a 1964 12 bolt. Are there newer years that interchange with the 1964 that might have better parts availability? I read that maybe 10 bolts up to 1987 would work as long as they had 2" drums. If that's the case will all the other brake parts connect such as e-brake cables from the 1964 to the newer backing plates and internal components? I'm assuming if I were to use the backing plates and non reproduced parts from a newer 10 bolt I would still be able to use the 1964 internal brake components and 6 lug drums as long as everything utilized 2" drums/shoes?
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#2 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: 1964 rear drum backing plates interchangeability
All truck 12 bolts from '64-'82 and truck 10 bolts from '79-'87 will have backing plates and internal parts that will work on your '64 housing. You can stay with the 2" wide shoes and drums or upgrade to the 2-3/4" wide shoes and drums. For the 2-3/4" wide shoes you must have the correct backing plates.
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#3 | |
Registered User
![]() Join Date: Mar 2014
Location: Tulsa OK
Posts: 96
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Re: 1964 rear drum backing plates interchangeability
Quote:
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#4 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: 1964 rear drum backing plates interchangeability
The backing plates and drums are different for the 2" wide shoes than those for the 2-3/4" wide shoes. Either will bolt to a '64-'87 10 or 12 bolt truck differential.
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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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#5 |
Registered User
![]() Join Date: Mar 2014
Location: Tulsa OK
Posts: 96
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Re: 1964 rear drum backing plates interchangeability
Thanks. Is there a way to visually tell the difference in backing plates, or a photo comparison you may have in your files?
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#6 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: 1964 rear drum backing plates interchangeability
Sorry I don't have any pics of both backing plates on this computer. I would have to take a couple pics and post them tomorrow.
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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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#7 |
I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: 1964 rear drum backing plates interchangeability
X2 to what Captain posted...
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Karl ![]() 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, the Saga Continues) http://67-72chevytrucks.com/vboard/s...d.php?t=372424 The LST Challenge: http://67-72chevytrucks.com/vboard/s...=1#post7812257 Korbin's 1st Square: "Sunburn" http://67-72chevytrucks.com/vboard/s...d.php?t=418618 1985 GMC Sierra: "White Trash", Korbin's 2nd now... http://67-72chevytrucks.com/vboard/s...d.php?t=632305 Henry - 1984 Chevrolet, Owen's 1st Square |
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#8 |
Registered User
Join Date: Feb 2008
Location: Sidney,b.c.
Posts: 4,425
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Re: 1964 rear drum backing plates interchangeability
the backing plate for the 2 3/4" should have a deeper recess where it goes back over the axle flange I would imagine
ron |
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#9 |
Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,166
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Re: 1964 rear drum backing plates interchangeability
The 2" on a 66 differential. I hope the picture attaches.
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#10 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: 1964 rear drum backing plates interchangeability
I found some time to take pics today. The first two are of a backing plate for the 2.750" wide shoes. Notice the deeper recess where it is bolted to the axle tube flange.
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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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