Disc brake question

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    Author Topic: Disc brake question  (Read 6352 times)

    Offline heminut

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    Disc brake question
    « on: May 19, 2002 - 02:30:53 AM »
    I have the original 2 piece brake rotors on my 70 Cuda and nobody makes the 3" wheel studs for them. Will the later unicast rotors swap onto my car without changing the spindles or calipers, or do I have to change other stuff to make them work. I have access to a 73 Duster with disc brakes, but I don't want to change the spindles or calipers if I don't have to.
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    1970 5.7 Hemi Cuda


    Offline BIG MIKE

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    Re: Brake disc question
    « Reply #1 on: May 19, 2002 - 08:04:51 AM »
    use a micrometer and measure the spindle were the bearings sit. to see if there the same.  my 72' challenger it called for that rotor, but i measured it and the measurements were the same and the one piece rotor fit like it was made for it. it been on for five years or more and all the hardware worked also.

    i'm not sure what the 70' has but i think it should be the same? sorry i don't have a straight answer hope it helps  
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    Offline heminut

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    Re: Brake disc question
    « Reply #2 on: May 20, 2002 - 01:30:55 AM »
    Well, I'm getting some conflicting answers at Moparchat, so I think I'm gonna do like you suggested Mike. Get out the dial caliper and go to measuring!
    « Last Edit: December 31, 1969 - 07:00:00 PM by 1023595200 »
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    1970 5.7 Hemi Cuda

    Offline BIG MIKE

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    Re: Brake disc question
    « Reply #3 on: May 20, 2002 - 07:06:40 PM »
    what did you come up with??? will they work???
    « Last Edit: December 31, 1969 - 07:00:00 PM by 1023595200 »
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    Offline heminut

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    Re: Brake disc question
    « Reply #4 on: May 20, 2002 - 09:29:36 PM »
    Mike! Settle down a little, I haven't retired yet! :D I haven't had time to check them yet. I'll probably measure the spindle on the Cuda tomorrow, but it may be a couple of days before I can check the Duster spindle, I've got the car stored at a friends salvage yard. As soon as I figure it out I'll let ya know.
    « Last Edit: December 31, 1969 - 07:00:00 PM by 1023595200 »
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    1970 5.7 Hemi Cuda

    Offline dr_dodge

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    Re: Disc brake question
    « Reply #5 on: May 29, 2002 - 07:54:30 PM »
    I believe certain ones are a straight swap but some others have inner bearing differences
    mopar action had a great article on disc conversions a while back
    I don't know which month (or year) but MR. E(cant spell his last name) is a very knowledgable guy who (unlike other tech guys) returns your emails
    good luck
    « Last Edit: December 31, 1969 - 07:00:00 PM by 1023595200 »
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