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1976 B-body brake booster in a 1972 B-body? #2581640
11/22/18 06:46 PM
11/22/18 06:46 PM
Joined: Mar 2005
Posts: 11,269
Slantytown
DUFFMAN Offline OP
Ask And Ye Shall Receive
DUFFMAN  Offline OP
Ask And Ye Shall Receive

Joined: Mar 2005
Posts: 11,269
Slantytown
I'm not looking for factory correct just functionality.

A1 Cardone 50-3800 is pretty inexpensive but it's for a 1976-78 B-body and I want to install it in my 1972 B-body. Will it work? I'm 90% sure it will but I just wanted to check before I pulled the trigger.


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Re: 1976 B-body brake booster in a 1972 B-body? [Re: DUFFMAN] #2581793
11/23/18 02:39 AM
11/23/18 02:39 AM
Joined: Jan 2003
Posts: 16,802
Between Houston & Galveston TX
SattyNoCar Offline
Smarter than no class Flappergass by a mile
SattyNoCar  Offline
Smarter than no class Flappergass by a mile

Joined: Jan 2003
Posts: 16,802
Between Houston & Galveston TX

Maybe the push rod is different?

I installed a booster out of a mid '80's M-body in my wagon so I could run the aluminum MC without an adapter and the only issue I ran into was the hole diameter for the brake pedal shaft/pin was a different diameter. I just swapped out the push rod with the one originally from my wagon.

shruggy


John

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Re: 1976 B-body brake booster in a 1972 B-body? [Re: DUFFMAN] #2581818
11/23/18 05:38 AM
11/23/18 05:38 AM
Joined: Feb 2003
Posts: 8,659
A
Andrewh Offline
master
Andrewh  Offline
master
A

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Posts: 8,659
the only other thing I am aware of, and it may only be c-bodies, is that when the diameter of the booster changed to a larger diameter, it interferes with the shifter if it is column shifted.
you can't pull it all the way down into 1. D or 2 is fine, but 1 is blocked.

Re: 1976 B-body brake booster in a 1972 B-body? [Re: DUFFMAN] #2581837
11/23/18 10:16 AM
11/23/18 10:16 AM
Joined: Jan 2003
Posts: 6,988
Warren, MI
J
Jerry Offline
master
Jerry  Offline
master
J

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Warren, MI
if you get one for the 79 magnum or Cordoba its the same diameter and uses a 2 bolt master/\. I've swapped 3 cars like this works flawlessly


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Re: 1976 B-body brake booster in a 1972 B-body? [Re: SattyNoCar] #2581844
11/23/18 10:59 AM
11/23/18 10:59 AM
Joined: Mar 2005
Posts: 11,269
Slantytown
DUFFMAN Offline OP
Ask And Ye Shall Receive
DUFFMAN  Offline OP
Ask And Ye Shall Receive

Joined: Mar 2005
Posts: 11,269
Slantytown
Originally Posted By Satilite73

Maybe the push rod is different?

I installed a booster out of a mid '80's M-body in my wagon so I could run the aluminum MC without an adapter and the only issue I ran into was the hole diameter for the brake pedal shaft/pin was a different diameter. I just swapped out the push rod with the one originally from my wagon.

shruggy



I'm looking at a loaded booster with the master already attached so the proper pin should be with it.


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Re: 1976 B-body brake booster in a 1972 B-body? [Re: Jerry] #2581845
11/23/18 11:00 AM
11/23/18 11:00 AM
Joined: Mar 2005
Posts: 11,269
Slantytown
DUFFMAN Offline OP
Ask And Ye Shall Receive
DUFFMAN  Offline OP
Ask And Ye Shall Receive

Joined: Mar 2005
Posts: 11,269
Slantytown
Originally Posted By Jerry
if you get one for the 79 magnum or Cordoba its the same diameter and uses a 2 bolt master/\. I've swapped 3 cars like this works flawlessly


What I'm looking to buy is the same set-up used on a 1978 Magnum. It looks like the booster is the same just the master cylinder is different.


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