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disc brake problem.

Discussion in 'The Hokey Ass Message Board' started by a-rooster, Nov 6, 2011.

  1. a-rooster
    Joined: May 31, 2010
    Posts: 17

    a-rooster
    Member
    from denver co.

    My problem is that i did a 11in. disc brake upgrade on a Mustang 2 front end. I now noticed that the stock bottom control arm is rubbing on the disc. I ground off some of the arm to get clearnce. but it still rubs in turns. am i over looking another problem, or should i just keep grinding away.
    And by the way i did a total rebuild of all the bushings and ball joints.
     
  2. Common issue, you need to hammer the end of the stock control arm back to gain the clearance you need.
     
  3. 40FordGuy
    Joined: Mar 24, 2008
    Posts: 2,907

    40FordGuy
    Member

    Are the inner bearings the same, as the old rotors? If not,.they may be letting the rotor be too far inboard.

    4TTRUK
     
  4. If he says this is the cure, use it and run.Nothing but good advice from Elpolacko.
     

  5. BobbyD
    Joined: Jun 6, 2005
    Posts: 581

    BobbyD
    Member
    from Belmont NC

    Elpolacko is right on the money, but the bearings on the 11" brake conversions does require changing the inner bearing and race, outer is the same. Something else to look at while your wrenching on it, maybe whoever (if not you) put it together didn't know this.
     
  6. V8 Bob
    Joined: Feb 6, 2007
    Posts: 2,743

    V8 Bob
    ALLIANCE MEMBER

    That's the first I've heard of that. I installed 11" Granada rotors on stock M-2 spindles many years ago with no bearing/race changes needed or suggested, and have no clearance issues with stock lower arms. Could dropped spindles and/or newer rotors be the problem?
     
  7. George/Maine
    Joined: Jan 6, 2011
    Posts: 949

    George/Maine
    Member

    I bought the lower control arms from Speedway the cheap ones.The arms are not right for 11 rotors.If you want to fix it right buy the tubular lower arms.
     
  8. BobbyD
    Joined: Jun 6, 2005
    Posts: 581

    BobbyD
    Member
    from Belmont NC

    I should have noted in my reply that the race/bearing swap is needed when using the GM rotors, not on the Granada rotor, my bad:eek::rolleyes:
     
  9. a-rooster
    Joined: May 31, 2010
    Posts: 17

    a-rooster
    Member
    from denver co.

    Thanks guys! ----- I will look into all that was sugested.
     
  10. George/Maine
    Joined: Jan 6, 2011
    Posts: 949

    George/Maine
    Member

    I had mustang orginal lower arms and spindles.They worked good no problems.This truck went off rode and bent the lower ball jount.I bought Speedways stamped a arm,then i had problem grinding,hammering,grinding hammer get the point.
    They are made wrong or not to be used with Granada rotors.
    I would buy the tubulur ones,or get stock M2 arms.
     

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