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Re: Disc Brake help needed
[Re: ahy]
#2068678
05/07/16 02:11 AM
05/07/16 02:11 AM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Later B, E and (I think) A bodies used an 11.75" "unicast" rotor. Late B only on your list. A's and E's, never, unless someone swapped them in. C's and truck used a thicker 11.75" unicast rotor. If the rotor is 1" thick it's the late B/R body rotor. If it's 1.25" thick it's the C/truck rotor. Compare a 78 Cordoba (B body) to a 78 New Yorker (C body) rotor specs.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Disc Brake help needed
[Re: jimm69]
#2068798
05/07/16 12:23 PM
05/07/16 12:23 PM
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Joined: Feb 2003
Posts: 16,163 Mesa, Arizona
dart4forte
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 16,163
Mesa, Arizona
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I have a 69 Roadrunner. Somewhere down the line someone did a disc brake conversion on the car. I do not know what they are. Trying to buy rotors but can not seem to find right ones. They are 11.75 in diameter. It appears all B, E, A bodies all use 11" rotors. Could be C body. Bought set for a 71 Fury but offset was wrong. Can anyone help me identify what I have so I can buy something? Isn't there a part number stamped in the inside of the rotor?
“So if it’s on the internet it must be true”
Abe Lincoln
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Re: Disc Brake help needed
[Re: jimm69]
#2070008
05/09/16 12:02 PM
05/09/16 12:02 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Calipers have more flexibility. The adapter that connects the caliper to the spindle accounts for the increased diameter of the rotor.
Basically, there are two possible caliper types you could have, one is held to the adapter via pins (called pin type), the other sets in a machined guide in the adapter (called sliders).
Once you figure out how they are mounted then you can potentially figure out the donor, I say potentially because piston diameter will also be a factor,
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Disc Brake help needed
[Re: jimm69]
#2070345
05/09/16 09:43 PM
05/09/16 09:43 PM
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Joined: Jan 2003
Posts: 31,082 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 31,082
Oregon
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Thanks everyone. I found my rotors. They are from a 1978 Cordoba. Fit perfectly. I wonder if/when I need calipers if it will be the same application. Take a picture and post it on here and we'll tell you what you have. It is fairly easy to tell what the parts are from a picture.
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Re: Disc Brake help needed
[Re: jimm69]
#2071026
05/10/16 08:56 PM
05/10/16 08:56 PM
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Joined: Feb 2009
Posts: 342 dracut mass usa
sparcy
enthusiast
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enthusiast
Joined: Feb 2009
Posts: 342
dracut mass usa
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used rotors and caliper brackets from a 75 cordoba , calipers did not fit , I like the pin type so i used 71 charger calipers 2.75 piston , i thought all b bodyies had 2.75 inch pistons
IF YOU ARE NOT WRECKING STUFF YOU ARE NOT LEARNING !
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Re: Disc Brake help needed
[Re: jimm69]
#2071029
05/10/16 09:06 PM
05/10/16 09:06 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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I don't know about B bodies or pin type calipers. I used sliders and diameter varies depending on donor.
Example,
73 Dart 2.6" A body 78 Aspen, 2.75" F body
Both slider types.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Disc Brake help needed
[Re: sparcy]
#2071161
05/10/16 11:58 PM
05/10/16 11:58 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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i thought all b bodyies had 2.75 inch pistons I'm pretty sure they do (A bodies-2.60 in 73/4/5 & went to 2.75 in '76)
live every 24 hour block of time like it's your last day on earth
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