Mopar/Ford KH Calipers Interchangeable?

Brakes for your Classic Mopar

  1. Jesus Chrysler

    Jesus Chrysler Forgiving Sins Against Mopar Since 1983

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    Has anyone tried using Raybestos FRC4048 & FRC4047 in lieu of the seemingly unobtainable FRC4176 & FRC4175?

    The 4048/4047 are mustang part numbers and the stock photos look identical. The specs look nearly identical, with the only difference being a 1.635 vs 1.64 bore size.

    What sayeth ye, oh my children?

    More Information for RAYBESTOS FRC4176

    More Information for RAYBESTOS FRC4048
     
  2. RustyRatRod

    RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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    Looks real close to me. @hemi71x can tell you. Jim is a real class act and really sharp guy. He will know I bet.
     
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    • Jesus Chrysler

      Jesus Chrysler Forgiving Sins Against Mopar Since 1983

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      I think I found the difference. The Mopar caliper seems to have another hole in one of the bosses where the Ferd part does not.

      Curses.

      [​IMG]

      [​IMG]
       
      Last edited: Mar 5, 2018
    • RustyRatRod

      RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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      Yeah and? Drill and tap it to 1/8" pipe. Then screw in an 1/8" male pipe to female 1/8" female inverted flare fitting. .....I might be wrong on the size.......could be 3/16" but either way, there's your fix.

       
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      • Jesus Chrysler

        Jesus Chrysler Forgiving Sins Against Mopar Since 1983

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        The mustang caliper also looks like it has an extra hole on a different boss.

        18-4401_bot.jpg

        18-4407_bot.jpg
         
      • RustyRatRod

        RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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        Well that cuts it! You're just a cheap ass impostor. The real Jesus wouldn't be cryin about how it won't work. He'd make it work. Lamer.
         
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        • hemi71x

          hemi71x FABO Gold Member FABO Gold Member

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          A Ford Mustang Kelsey Hayes, 4 piston, disc brake caliper, can be used on a Mopar, by using the appropriate rubber flex line that attaches to the caliper.
          A Mustang caliper uses the rubber flex hose that screws directly into the body of the caliper, and a Mopar application uses a second metal, hard line, that the rubber hose then attaches to.
          But depending on the year of the Mustang caliper, it uses either a 3/8 or 7/16 diameter thread size, to screw into the caliper.

          What's your difficulty in obtaining Mopar styled calipers anyway?
          Available from internet vendors, or local parts stores, that can order up, parts like that.
          No big deal.

          Ford Mustang Lt. KH Caliper 001 (Small).JPG

          Ford Mustang Lt. KH Caliper 005 (Small).JPG
           
          Last edited: Mar 5, 2018
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          • RustyRatRod

            RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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            See Jesus, I knew there was a way to make it work. You big dummy.

            Thanks, Jim!.....but I know you won't see this since you have me on ignore.
             
          • Jesus Chrysler

            Jesus Chrysler Forgiving Sins Against Mopar Since 1983

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            Well Considering there are options from other manufacturers available, I don' think it's worth wasting a miracle on these things. I was just searching for a more affordable option for my less fortunate children.

            I am still seriously considering picking up seals and pistons and raising my existing calipers from the dead.

            Hacking up these Ford calipers to make them work is more Joseph Mengele than Jesus Chrysler.
             
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            • RustyRatRod

              RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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              According to what Jim said, no hackin required. Dingbat.
               
            • Jesus Chrysler

              Jesus Chrysler Forgiving Sins Against Mopar Since 1983

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              Thank you!
               
            • Jesus Chrysler

              Jesus Chrysler Forgiving Sins Against Mopar Since 1983

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              Such hostility, you must be a Muzzy!
               
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              • RustyRatRod

                RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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                Hay I ain't the poser here!
                 
              • hemi71x

                hemi71x FABO Gold Member FABO Gold Member

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                Well Jesus Christ someone takes the time to reply to a posting that you make, and then you have to make some sort of snide comment out of it.
                Screw you.
                And WTF is a Muzzy anyway?
                I ain't got a clue.
                Some sort of derogatory statement?
                 
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                • Jesus Chrysler

                  Jesus Chrysler Forgiving Sins Against Mopar Since 1983

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                  I thanked you for your answer.

                  RRR has inserted a snide comment at me in almost every post, so I was simply responding in kind.
                   
                • YY1

                  YY1 Well-Known Member

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                  Isn't the "hole" mentioned in the pic post a second threaded hole to allow the caliper to be used on either side?
                   
                • hemi71x

                  hemi71x FABO Gold Member FABO Gold Member

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                  FYI
                  For people that aren't familiar with these Kelsey Hayes 4 piston calipers, either Ford, or Mopar.
                  This is what a "Mopar" KH caliper looks like with the metal hoses, and bracket attached.

                  65-72 A Body Disc Brakes #7 012 (Copy).JPG
                   
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                  • Jesus Chrysler

                    Jesus Chrysler Forgiving Sins Against Mopar Since 1983

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                    Thank you for the additional details.

                    Is there a good source for new caliper hard lines?
                     
                  • hemi71x

                    hemi71x FABO Gold Member FABO Gold Member

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                    Inline tube
                    Fine Lines
                    Classic Tube.
                     
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