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42-48 ford front spring perch width?

Discussion in 'The Hokey Ass Message Board' started by thunderbirdesq, Feb 17, 2008.

  1. thunderbirdesq
    Joined: Feb 15, 2006
    Posts: 7,091

    thunderbirdesq
    Member

    Awright, I give up. I searched and searched and couldn't find what I'm looking for. Anyone got a front axle assy or an intact wishbone they can measure for me? I need the distance between the spring perches themselves, not the perch bolts. I'm setting up a rear suspension with a 42-48 front spring and I need to set the brackets at the correct distance... Thanks!
     
  2. R Pope
    Joined: Jan 23, 2006
    Posts: 3,309

    R Pope
    Member

    I have a couple, but they're under 3 feet of snow! Won't see 'em til spring, sorry.
     
  3. junkmonger
    Joined: Feb 9, 2004
    Posts: 653

    junkmonger
    Member

    Mine is 34 inches perch center to center. Hope this helps.
     
  4. thunderbirdesq
    Joined: Feb 15, 2006
    Posts: 7,091

    thunderbirdesq
    Member

    How is that possible?:confused: The spring eyes are around 40 inches apart... I think you've got the wrong year. ;)Anyone else?
     
  5. junkmonger
    Joined: Feb 9, 2004
    Posts: 653

    junkmonger
    Member

    Oops :eek: You're right. Sorry about that. I've got some in a trailer about 35 miles away, but the 2 I have in my garage are definitely not 42-48's. Anyway, here's a bump. Maybe someone else has one.

     
  6. chopnchaneled
    Joined: Oct 21, 2004
    Posts: 1,428

    chopnchaneled
    Member
    from Buford Ga.

    mine measures 42 5/16th center line to center line on the wish bone.
     
  7. thunderbirdesq
    Joined: Feb 15, 2006
    Posts: 7,091

    thunderbirdesq
    Member

    Really? WTF? My unloaded spring eyes are nearly 43 inches... I know this is a 46 front spring, I disassembled the car myself and the spring fit right then. :mad: Ah, screw it it I'll just set it down on some rollers, ala brian angus' spring measurement thread, and measure the damn thing under load. Thanks guys...
     
  8. kropduster
    Joined: Oct 19, 2005
    Posts: 681

    kropduster
    Member

    let me drive into town, i have a stock 48 sedan sittin on a buddys rollback. be back in about 20 min.....
     
  9. kropduster
    Joined: Oct 19, 2005
    Posts: 681

    kropduster
    Member


    might not be a bad idea, my car is right at the 42 5/16 mark too. if it makes any difference, the shackels are almost straight up and down, like they would be if the spring was too long? damn my fingers are cold.
     
  10. chopnchaneled
    Joined: Oct 21, 2004
    Posts: 1,428

    chopnchaneled
    Member
    from Buford Ga.

    keep in mind that as the spring is below the wish bone, when its loaded it will be out beyond the eyelet on the wishbone.
    you may have a spring thats been dearched.
    of the two that are here, one has no engine or trans and the spring eyelet in inboard of the wishbone eyelet.
    the one with engine and trans, front sheet metal etc. the spring eyelet is out board of the wishbone eyelet and measures 45 plus inches
     
  11. thunderbirdesq
    Joined: Feb 15, 2006
    Posts: 7,091

    thunderbirdesq
    Member

    Thanks again for the input guys. I guess maybe they weren't as concerned with having that 45 degree shackle angle by this point because panhards and sway bars were being used? I dunno, I'll make it work. Thanks!
     

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