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Need help identifying these brakes #2965013
09/17/21 02:37 PM
09/17/21 02:37 PM
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Mission BC
10sec440 Offline OP
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Hello, I'm working on a 69 Dart and I have to get the correct lower ball joints. The front calipers look similar to a 73 and up setup but it has pins instead of sliders. I think they are Diplomat brakes? If so does anyone have an idea what knuckles would be used to put these on a Dart? Thanks in advance.

Last edited by 10sec440; 09/17/21 05:04 PM.
Re: Need help identifying these brakes [Re: 10sec440] #2965078
09/17/21 07:52 PM
09/17/21 07:52 PM
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ruderunner Online content
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Could be FMJ body brakes or 70 74 B E body.

Or an aftermarket swap that used Ford calipers.

Pics will help.


Angry white guy
Re: Need help identifying these brakes [Re: ruderunner] #2965085
09/17/21 08:07 PM
09/17/21 08:07 PM
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Don't think FMJ's ever came with pin type calipers.

Some pictures and maybe the measurement between the mount holes would help.

The are only lower ball joint I am aware of that will work on an A body using later stock mopar 4.5" bolt pattern discs is the 73 and up disc brake ball joints.

Re: Need help identifying these brakes [Re: 10sec440] #2965104
09/17/21 08:48 PM
09/17/21 08:48 PM
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Rittman Ohio
fourgearsavoy Online tonguue
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I have 73 Charger brakes on my Savoy and they are pin type calipers.

Gus beer


64 Plymouth Savoy
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Re: Need help identifying these brakes [Re: fourgearsavoy] #2965118
09/17/21 09:48 PM
09/17/21 09:48 PM
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10sec440 Offline OP
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Thanks guys, I do have a pic but I can't seem to figure out how to post it.

Re: Need help identifying these brakes [Re: 10sec440] #2965124
09/17/21 10:08 PM
09/17/21 10:08 PM
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I believe all of the late rear wheel drive cars used the slider calipers. The pin type were early 70s B/E as I understand it.

Re: Need help identifying these brakes [Re: Jim_Lusk] #2965137
09/17/21 11:31 PM
09/17/21 11:31 PM
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Originally Posted by Jim_Lusk
I believe all of the late rear wheel drive cars used the slider calipers. The pin type were early 70s B/E as I understand it.


last to use both may have been '75- B bodies, I found my 11.75" set up on a '76 2 door Fury with pin type calipers.
The '73- A body pin types had smaller pistons than the 2.75" E and B bodies.

Re: Need help identifying these brakes [Re: geo.] #2965175
09/18/21 07:17 AM
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I took pin type off a 77 B when I did my swap to big rotors.


Angry white guy
Re: Need help identifying these brakes [Re: geo.] #2965177
09/18/21 07:30 AM
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Originally Posted by geo.
Originally Posted by Jim_Lusk
I believe all of the late rear wheel drive cars used the slider calipers. The pin type were early 70s B/E as I understand it.


last to use both may have been '75- B bodies, I found my 11.75" set up on a '76 2 door Fury with pin type calipers.
The '73- A body pin types had smaller pistons than the 2.75" E and B bodies.


73 A bodies did not use pin type calipers. Sliders only. Pre 73 did use a pin type, but that would be the 4" bolt pattern setup

Re: Need help identifying these brakes [Re: Sniper] #2965210
09/18/21 10:55 AM
09/18/21 10:55 AM
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This is one of those places where the RockAuto online catalog is an asset. You can start picking a likely suspect (say a '75 Charger), drill down to the likely part (brake pads), and look at pics to see that according to the parts shown, they apparently went from a base number 39 pin-type pad to a base number 84 slider-type pad (some say 5/75, some say 11/75). Then click on the part number to see that the 84 slider pad fits everything from a '73 A to and '89 M-body. The 39 pin-type fits everything from a '66-78 B-body to a Bricklin to a Gremlin to a '72 D300 and a 1010 IHC truck. It's GREAT for figuring interchange on mechanical parts, especially on oddball stuff.

Re: Need help identifying these brakes [Re: Sniper] #2965319
09/18/21 06:21 PM
09/18/21 06:21 PM
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Originally Posted by Sniper
Originally Posted by geo.
Originally Posted by Jim_Lusk
I believe all of the late rear wheel drive cars used the slider calipers. The pin type were early 70s B/E as I understand it.


last to use both may have been '75- B bodies, I found my 11.75" set up on a '76 2 door Fury with pin type calipers.
The '73- A body pin types had smaller pistons than the 2.75" E and B bodies.


73 A bodies did not use pin type calipers. Sliders only. Pre 73 did use a pin type, but that would be the 4" bolt pattern setup


You can mix and match pin and slider calipers and caliper adapter bracket on 73-76 A-body/73-74 E-body spindles. Same for FMJ spindles.

So you really need to examine part for part what you have. Look for the Mopar Action Disc-O-Tech brake swap article online.







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