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Re: 10 " rear brakes
[Re: can.al]
#1478126
08/02/13 02:56 AM
08/02/13 02:56 AM
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Joined: Dec 2003
Posts: 16,844
Phoenix - surface of the sun
nomore65BelvJim
I Live Here
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I Live Here
Joined: Dec 2003
Posts: 16,844
Phoenix - surface of the sun
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Quote:
will 8 1/4" 10 inch rear brake hardware interchange with 8 3/4"
10 inch A body rear brakes?
A body 8-3/4 brakes are unique. 8-1/4 brakes will not fit with stock A body 8-3/4 axles, the offsets are different.
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Re: 10 " rear brakes
[Re: Kern Dog]
#1478128
08/02/13 08:18 AM
08/02/13 08:18 AM
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Joined: Jun 2005
Posts: 5,100
Western Md.
skicker
"The Champ"
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"The Champ"
Joined: Jun 2005
Posts: 5,100
Western Md.
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A Body 8 3/4 (Small bolt pattern) brakes do not interchange. 4 1/2" bolt pattern parts will interchange from a 8 1/4 to a 8 3/4 and also a 9 1/4 and a Dana.
...FAFO...
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Re: 10 " rear brakes
[Re: Kern Dog]
#1478130
08/02/13 10:42 AM
08/02/13 10:42 AM
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Joined: Jan 2003
Posts: 74,937
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 74,937
U.S.S.A.
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Quote:
I'd like to know more about this.
The "offset" is built into the brake supports, right? Why couldn't an 8 1/4" brake setup work? They physically fit the 8 3/4 housing. Is it a matter of the amount of axle shaft and hub that sticks out of the housing? I have mixed and matched parts here many times and it worked out fine. Maybe I got lucky?
Depending on the body platform yes , EXCEPT for small bolt pattern A bodies , the axle offset is different, it's a 1/4 LESS than everything else EXCEPT for 66-69(70 ???), B bodies with 7.25 rear and 10" brakes , they have the same offset as the small bolt A body.
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Re: 10 " rear brakes
[Re: can.al]
#1478131
08/02/13 10:43 AM
08/02/13 10:43 AM
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Joined: Jan 2003
Posts: 74,937
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 74,937
U.S.S.A.
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Quote:
i realize the 8 3/4 (4") have the narrow folded parking brake strut
which is unique and the shoes are also narrower at
1 3/4 but thought all the other hardware would interchange?
What year rear do you want to pull the brakes off of ?
I would have to look at my 69 parts manual to confirm but I want to say NO on swapping the backing plates.
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Re: 10 " rear brakes
[Re: can.al]
#1478133
08/02/13 03:00 PM
08/02/13 03:00 PM
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Joined: Jan 2003
Posts: 74,937
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 74,937
U.S.S.A.
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Quote:
My A body 8 3/4 has backing plates and correct parking brake strut
levers and actuators.
...i need drums,shoes and hardware
Your question is very cryptic and having to drag the info out of a person makes it harder to answer. Just an FYI , it's best to list as much info as possible when asking a question. 
The shoes and the hardware are readily available , it took me less than 5 minutes to find the part numbers on rockauto.com, the hard parts to find will be the rear drums., I don't know if they are still available and if they are they will not be the flared drums as were found originally on your car.
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