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Technical 1964 F100 Front disc brake conversion

Discussion in 'The Hokey Ass Message Board' started by panheadguy, May 29, 2023.

  1. panheadguy
    Joined: Jan 8, 2005
    Posts: 1,102

    panheadguy
    Member
    from S.E. WI

    Some kits say the calipers will hit the stock 15" rim. I want to keep the steelies and wheel covers. Bolt circle is 5 x 5-1/2" rims are 6" wide x 15"

    What year rims am I looking for?
    Thanks
     
  2. jimmy six
    Joined: Mar 21, 2006
    Posts: 16,567

    jimmy six
    ALLIANCE MEMBER

    Wilwood’s didn’t hit my 15 x 6” and they even included a 1/4” spacer if it would have…
     
  3. panheadguy
    Joined: Jan 8, 2005
    Posts: 1,102

    panheadguy
    Member
    from S.E. WI

    Maybe with a Wilwood kit you got lucky. MMP says "you may need different rims to clear the calipers".
    I'm trying to be proactive.....not like the last time I put discs on a old car and spent a week trying to find rims.
     
  4. y'sguy
    Joined: Feb 25, 2008
    Posts: 774

    y'sguy
    Member
    from Tulsa, OK

    When I did mine I used the CCP kit. But my 64 came with later model ford junkyard steelies. I didn't even know there was a clearance issue. I was always on the lookout for original wheels but could never find a decent set, at least that I could afford. Sorry not much help.
    I hope your gonna do the kingpins, "while you're there"
     
  5. 34Phil
    Joined: Sep 12, 2016
    Posts: 679

    34Phil
    Member

    I did the junkyard swap 20 years ago on a '66 and no problems
     
  6. panheadguy
    Joined: Jan 8, 2005
    Posts: 1,102

    panheadguy
    Member
    from S.E. WI

    What's the junkyard swap? Updating with factory parts instead of a kit?
     
  7. 34Phil
    Joined: Sep 12, 2016
    Posts: 679

    34Phil
    Member

    yes, mid '70s spindles and brakes. I also grabbed MC and proportioning valve. Only hiccup was one actuator rod was too long and other too short so I ground the longer one.
     
  8. 34Phil
    Joined: Sep 12, 2016
    Posts: 679

    34Phil
    Member

    Never mind, I see your truck is one year before the twin I beams
     
  9. if you use the next generation wheels like 67 and up (to get clearance), you end up having to use the later hubcaps. you go from 8" to the 10.5" if you are wanting to run poverty caps. Some people have a name for the wheels like innie for the earlier style.

    Please keep this going as I have a 61 and have yet to look into this info. something for the future on my truck. Albeit, I have drums all around on my wagon and it does road trips fine.
    check out Slick60s

    here is one thread, but it doesnt say the kit name. note that in this thread, they give some master cylinder advice with OEM parts.
    https://www.slick60s.com/viewtopic.php?f=32&t=38107&p=315215&hilit=disc#p315215

    also sound slike there is speedway kit, which I think Looked up recently.
    https://www.slick60s.com/viewtopic.php?f=1&t=37934&p=312944&hilit=disc#p312944
     
    Last edited: May 30, 2023
  10. panheadguy
    Joined: Jan 8, 2005
    Posts: 1,102

    panheadguy
    Member
    from S.E. WI

    One year makes a huge difference in interchangeability
     
  11. panheadguy
    Joined: Jan 8, 2005
    Posts: 1,102

    panheadguy
    Member
    from S.E. WI

    Thanks. A lot of good info in your reply!
     
  12. junkman8888
    Joined: Jan 28, 2009
    Posts: 1,066

    junkman8888
    Member

    There is another option: On early FoMoCo vehicles the wheel centers were riveted to the wheel hoops, just drill out the rivets, save the centers, throw the hoops away. Now get a set of the later pickup disk brake wheels (note, the early ones were riveted together, later ones were welded, also, I have encountered two different hoop widths) then either drill out the rivets or cut out the centers with a torch as needed, mate the early centers with the later hoops, align and weld.

    Also, these same Ford pickup wheel hoops fit 50's Chevy car wheel centers.
     
    Last edited: May 30, 2023
  13. panheadguy
    Joined: Jan 8, 2005
    Posts: 1,102

    panheadguy
    Member
    from S.E. WI


    Back in the mid 70's I used to move VW centers to wider rims for off road racing because you couldn't buy wider wheels. Today I think I will hunt the boneyards to find correct wheels!
     
  14. Pops74
    Joined: Jun 22, 2023
    Posts: 8

    Pops74

    I did some looking around trying to find info on this subject and I think this might be the best thread.
    Here’s what I’ve got. ‘63 F100 with a disc brake conversion that I’m not too sure what it is. The disc rotor is 11.75” and the step on the flange diameter is too large to allow my new torq thrust wheels fit. The flange dia is like 3.41” and center bore is 3.27”. Just wondered if anyone experienced the same issue and how it was fixed. I’m thinking I will need new rotors, but not sure how to attack.
    I’d like to ditch that spacer, too, but need to get the wheel up there to check it. The offset is the same as the steel’s I have on there now.
    Thanks
     

    Attached Files:

  15. I had 78-79 disk brake setup on my otherwise stock 1965 F100. Stock 15" steel wheels which I still have. I now have '86 Jag XJ6 front end and late 70's15" Chev Caprice wheels fit on them. Adaptors coming to fit the 15" stock Ford truck wheels. All this and Jag 4 piston calipers fit with no rub. Pics are the Ford stuff as it came off. Ford wheels have the diamonds around the bolt circle. I had all the brake s I needed with this setup and the stock steering box and master cylinder from a 79. Nostalgia Sid offers dropped beams. Good luck with it.
    20210804_065557_resized.jpg 20210802_091923_resized.jpg 20210801_162948_resized.jpg 20211228_155337_resized.jpg
     
    Last edited: Jul 30, 2023
  16. 34Phil
    Joined: Sep 12, 2016
    Posts: 679

    34Phil
    Member

    1965 was twin I beam, not straight axle like 1964
     
  17. Pops74
    Joined: Jun 22, 2023
    Posts: 8

    Pops74

    Right, I’ve got straight axle. I’m looking to find a Ford site that has specifications on the different years and types of disc rotors with lug bolts.
     
  18. Pops74
    Joined: Jun 22, 2023
    Posts: 8

    Pops74

    I did more digging and found this, looks like I have the same as 74 F100 below. I also have my terminology off, I actually meant the hub diameter is too large.


     
  19. Pete Eastwood
    Joined: Jul 27, 2011
    Posts: 1,310

    Pete Eastwood
    Member
    from california

    Super Bell Disc Brake kit will accept the stock wheels.
     
  20. Pops74
    Joined: Jun 22, 2023
    Posts: 8

    Pops74

    Well, thank goodness for friends. We were able to turn down the step diameter by 0.200” and the new wheels fit perfectly.
     

    Attached Files:

    deathrowdave likes this.

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