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Technical 1947 mercury disc brake help

Discussion in 'The Hokey Ass Message Board' started by knows_nothing, Sep 29, 2014.

  1. knows_nothing
    Joined: Oct 8, 2013
    Posts: 8

    knows_nothing
    Member
    from Saugerties

    Hello all. Newb here. Im building a 1947 mercury coupe. I am running a 4 inch dropped axle with dropped steering arms through speedway motors. I am currently installing a disc brake conversion. The issue I am having is the dropped steering arms dont allow the brake caliper to fit on the bracket. I took the dropped steering arms off, put the caliper on and still no room AT ALL for the dropped arms. Has anyone ran into this issue? Does anyone have any recommendations on what to do because I am lost. Any info will help. Thanks in advance.
     
  2. knows_nothing
    Joined: Oct 8, 2013
    Posts: 8

    knows_nothing
    Member
    from Saugerties

  3. jamcoupe
    Joined: Sep 5, 2006
    Posts: 488

    jamcoupe
    Member

    I'm also intrested in this. I hope someone can help.
     
  4. alchemy
    Joined: Sep 27, 2002
    Posts: 22,789

    alchemy
    Member

    You'll need to call the manufacturer of your brake kit to ask them what arms they intended to be used with their kit. Some kits have brackets that mount to the "other" side of the spindle, right where the arm would usually go.

    Maybe you could post some pics of your setup to show us what you have?
     
  5. sambo
    Joined: Jan 19, 2009
    Posts: 352

    sambo
    Member

    *****in Merc, You should really call Speedway, they'll help. Good about that. Some of their parts don't work together but they usually tell you while you're ordering. And don't tell the wife you put the bearing adapters in the oven. Just do it when she's gone. Pictures?
     
  6. sambo
    Joined: Jan 19, 2009
    Posts: 352

    sambo
    Member

    Flat steel arms? Instead of the forged original looking ones? they're ugly but some kits require them
     
  7. knows_nothing
    Joined: Oct 8, 2013
    Posts: 8

    knows_nothing
    Member
    from Saugerties

    Thank you for the response. Im going to give speedway a call on friday to see what they suggest. I had already purchased the forged dropped steering arms when I bought the 4 inch drop axle several months back. The brake kit came with the flat steering arms. I was thinking about making a bracket out of 1/4inch steel that i can bolt to the back side of the spindles where the steering arms are supposed to be (basically to offset the bolt holes down 4 inches) so I can get the flat steering arms low enough to clear the brake calipers. Ill try to post up a couple of pics.
     
  8. knows_nothing
    Joined: Oct 8, 2013
    Posts: 8

    knows_nothing
    Member
    from Saugerties

    Pics
     

    Attached Files:

  9. knows_nothing
    Joined: Oct 8, 2013
    Posts: 8

    knows_nothing
    Member
    from Saugerties

    Pics
     

    Attached Files:

  10. knows_nothing
    Joined: Oct 8, 2013
    Posts: 8

    knows_nothing
    Member
    from Saugerties

    Caliper bolt hole obstructed by steering arm
     

    Attached Files:

  11. knows_nothing
    Joined: Oct 8, 2013
    Posts: 8

    knows_nothing
    Member
    from Saugerties

    Heres a pic of the car, just because. Haha
     

    Attached Files:

  12. alchemy
    Joined: Sep 27, 2002
    Posts: 22,789

    alchemy
    Member

    Rotate the caliper bracket up 90 degrees. Problem solved.
     
  13. knows_nothing
    Joined: Oct 8, 2013
    Posts: 8

    knows_nothing
    Member
    from Saugerties

    Would that mess with bleeder at all?
     
  14. alchemy
    Joined: Sep 27, 2002
    Posts: 22,789

    alchemy
    Member

    As long as the bleeder is at the top of the cylinder you should be fine. Pretty sure the car it originally came from had the caliper more "up" than "down". Take a look at street rods in magazines and they all have the calipers in the 2 o'clock position.
     
    knows_nothing likes this.

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