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Technical Hairpin question

Discussion in 'The Hokey Ass Message Board' started by AModelRobinson, Feb 20, 2016.

  1. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    Ive got a 30 model coupe. I bought a 32 frame pinch for Model A from Brookville roadster. I bought 27 inches hairpins from Speedway that are 3 inches too short. What should I have bought?
     
  2. Beer most likely.......that always helps. All of us can attest to that.
    What axle are you using and explain how the hairpins are too short.....a pic would be good so we can unravel the issue.
     
  3. 27"+3"=30" :) Seems simple enough.
     
  4. Why do you think there too short ?
     

  5. mike bowling
    Joined: Jan 1, 2013
    Posts: 3,560

    mike bowling
    Member

    Are you just measuring just the hairpin itself, or do you have the clevises and tie rods (or rod ends) on?
    This will add to the length.
    Adjust where you put the rear bracket- they should be fine.
    Caster at 5-7* positive - set the top around a 1/4 to 3/8 inch shorter than the bottom for starters
    And make sure your hardware is all threaded in well- not good to have one of those fail!
    I used the Speedway 27" (bare) hairpins on this coupe and had no problems.(suicide front end)
     

    Attached Files:

  6. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    Frame came from Brookville with brackets welded. Speedway hairpins. I know it's short 3 inches but can't find 30 inch hairpins.
     
  7. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    Hairpins
     

    Attached Files:

  8. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    I have them adjusted half way.
     

    Attached Files:

  9. sponge
    Joined: Dec 8, 2008
    Posts: 249

    sponge
    Member
    from Austin tx

    Return them and call pete and jakes, if you talk to them they can make any length at the same cost as set length. best call i ever made when I needed hairpins.
     
    Tim likes this.
  10. gimpyshotrods
    Joined: May 20, 2009
    Posts: 23,333

    gimpyshotrods
    ALLIANCE MEMBER

    Cut the weld and move the bracket.
     
    da34guy likes this.
  11. 32 Barn Car
    Joined: Jul 2, 2008
    Posts: 663

    32 Barn Car
    Member
    from Oregon

    ^^^^ What he said ^^^^^^^^^
     
  12. thirtytwo
    Joined: Dec 19, 2003
    Posts: 2,639

    thirtytwo
    Member

    If brookville made the frame with hairpin mounts... Wouldn't they offer hairpins that fit?
     
    mike bowling likes this.
  13. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    Thanks for the help sponge .I'll give them a call . I would cut the brakes and move it .but it wouldn't be in the correct spot on the 32 frame.
     
  14. gimpyshotrods
    Joined: May 20, 2009
    Posts: 23,333

    gimpyshotrods
    ALLIANCE MEMBER

    Wishbones aren't "correct" on a '32 frame, either.
     
  15. Pewsplace
    Joined: Feb 10, 2007
    Posts: 2,795

    Pewsplace
    Member

    Easy to lengthen 3". The chrome would be a problem. I think there is a post on doing that. I will look. I ran an adapter on a set years ago but they were painted.
     
  16. alchemy
    Joined: Sep 27, 2002
    Posts: 20,524

    alchemy
    Member

    Yep, call Brookville and ask what hairpins they made the brackets for. Hot rods aren't universal. Parts from one vendor don't always fit parts from another.
     
  17. mike bowling
    Joined: Jan 1, 2013
    Posts: 3,560

    mike bowling
    Member

    Agreed 100%- don't cut or modify anything without asking the Brookville guys what kind of parts fit the frame they sold you.
    I didn't realize the brackets were already a done deal.
     
  18. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    I want to thank all you guys for your help ! contacted Brookville roadster. The hair pins that they set my frame up with came from Pete and Jakes. Done some measuring and got some new ones ordered. Thanks again!
     
  19. Atwater Mike
    Joined: May 31, 2002
    Posts: 11,624

    Atwater Mike
    Member

    Whew! Good thing you didn't hafta make 'em! :rolleyes:
     
    Jet96 and falcongeorge like this.
  20. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    Finally got hairpins figured out. Thanks guys for your help.
     
  21. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    Hairpins
     

    Attached Files:

    Blues4U likes this.
  22. Dino 64
    Joined: Jul 13, 2012
    Posts: 2,408

    Dino 64
    Member
    from Virginia

    My frame is the same and I got my hair pins from P&J. Going to assemble soon, hope they are correct !
     
  23. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    Dino64 my first set was 27 inches. 3 inches to short. These are 30 & 5/8.
     
  24. sponge
    Joined: Dec 8, 2008
    Posts: 249

    sponge
    Member
    from Austin tx

    glad it worked out.
     
  25. Dino 64
    Joined: Jul 13, 2012
    Posts: 2,408

    Dino 64
    Member
    from Virginia

    Thanks for the info, much appreciated. Kinda behind on my coupe, but where did you measure from?
     
  26. AModelRobinson
    Joined: Aug 9, 2015
    Posts: 18

    AModelRobinson

    30 & 5/8 is the measurements on my new hairpins. I measured from center of spring perch to the mounts on frame .
     
  27. Dino 64
    Joined: Jul 13, 2012
    Posts: 2,408

    Dino 64
    Member
    from Virginia

    Thanks again, gotta get my ass in gear.
     
  28. 27+3=30 DuhOh
     

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