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Technical King pin inclination on 1953 to 1960 F100 front axle

Discussion in 'The Hokey Ass Message Board' started by winr, Jul 15, 2021.

  1. winr
    Joined: Jan 10, 2008
    Posts: 112

    winr
    Member

    Any know how much a 1953 to 1960 F100 front axle weighs with or without spindles ?? ....EDITED ...Any know the king pin inclination on the above axles ??


    Ricky.
     
    Last edited: Jul 20, 2021
  2. greybeard360
    Joined: Feb 28, 2008
    Posts: 1,913

    greybeard360
    Member

  3. winr
    Joined: Jan 10, 2008
    Posts: 112

    winr
    Member

    Thanks gr360 !

    I have an F1 axle, looks like it has an 8 degree inclination with a smaller king pin


    Ricky.
     
  4. homey chromey
    Joined: Jan 27, 2010
    Posts: 385

    homey chromey
    Member

    I generally go a little more. About 5 to 5.5. I set my 49 F1 just over 5 and it drives great. I set all my straight axle cars at 4 to 5 deg.
     

  5. Rickybop
    Joined: May 23, 2008
    Posts: 7,866

    Rickybop
    Member
    from Michigan

    And belaboring the obvious for most here, but the setting is relative to level, not relative to the chassis. Due to variations in the rake of the vehicle.
    Correct?
     
    Tim likes this.
  6. Fordors
    Joined: Sep 22, 2016
    Posts: 4,188

    Fordors
    Member

    F23CBD1F-7AB9-4FA4-B8CF-71559BCFFE8C.jpeg The OP’s question is related to camber, not caster.
     
    Last edited: Jul 16, 2021
    2OLD2FAST likes this.
  7. 2OLD2FAST
    Joined: Feb 3, 2010
    Posts: 3,988

    2OLD2FAST
    Member
    from illinois

    Here ya go
     

    Attached Files:

  8. Some of you guys are confusing KPI with caster.
     
  9. homey chromey
    Joined: Jan 27, 2010
    Posts: 385

    homey chromey
    Member

    Older Ford trucks like to wonder. I was referring to castor and that is king pin inclination. And that to be determined with car being level to start with. Then set castor. Obviously if you have 30" tires on the rear and 24" tires on the front and set at 5 deg. you probably only truly have 1 deg. actually. And I know that is an exaggeration.
     
  10. wulf powis
    Joined: Jun 19, 2017
    Posts: 64

    wulf powis
    Member

    Maybe this will help upload_2021-7-16_17-42-59.png upload_2021-7-16_17-42-59.jpeg
     
  11. Sorry man, but no. Caster is how much the king pin/axle leans back or forward.
    KPI is related to camber, it is the king pin inclination as viewed from the front. @2OLD2FAST provided a diagram. It was IFS, but the principal is the same.
     
  12. 2OLD2FAST
    Joined: Feb 3, 2010
    Posts: 3,988

    2OLD2FAST
    Member
    from illinois

    Screenshot_2021-07-16-19-09-40.png
    Is this a bit easier to understand ?
     
  13. greybeard360
    Joined: Feb 28, 2008
    Posts: 1,913

    greybeard360
    Member

    The info I put up there was from another forum for these trucks. Looks like I found bad info!! I looked in one of my old shop manuals but that info wasn't there.
     
  14. winr
    Joined: Jan 10, 2008
    Posts: 112

    winr
    Member

    Thanks guys

    My 65 F100 twin I beams have 4 degree king pin inclination

    The 53 to 60 100 axles have the same size king pin and king pin boss as my 65

    I will get a protractor and check after I find a 53 to 60 axle



    Ricky.
     
  15. homey chromey
    Joined: Jan 27, 2010
    Posts: 385

    homey chromey
    Member

    Sorry man, but no. Caster is how much the king pin/axle leans back or forward.
    KPI is related to camber, it is the king pin inclination as viewed from the front. @2OLD2FAST provided a diagram. It was IFS, but the principal is the same.

    Yeah sorry man but that is what I was referring to also. Forward and back. Never the less I was referring to the castor. I maybe used the wrong verbiage.
     

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