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Hot Rods F1 Pedal Bracket Assembly

Discussion in 'The Hokey Ass Message Board' started by 60 Special, Nov 11, 2025 at 8:14 AM.

  1. 60 Special
    Joined: Sep 8, 2007
    Posts: 298

    60 Special
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    from Omaha Ne.

    I just saw a F1 pedal bracket****embly in the classifieds. I know they are used in Model A-V8 modifications along with the crossmember, but before today I had never seen the pedal mount up close. As I observed the pedal mount I could see that it looks like a cast piece, maybe forged, I don't know. Anybody know what the bracket****embly is made of and what process? 60 Special
     
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  2. FrozenMerc
    Joined: Sep 4, 2009
    Posts: 3,408

    FrozenMerc
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  3. Mr48chev
    Joined: Dec 28, 2007
    Posts: 35,912

    Mr48chev
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    This is one I harvested out of a 52 F-1 Chassis Along with front brakes and front shock mounts. Cast that would bolt on an appropriate bracket. IMG_0834.JPG IMG_0830.JPG IMG_0828 - Copy.JPG IMG_0833.JPG
     
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  4. alchemy
    Joined: Sep 27, 2002
    Posts: 22,632

    alchemy
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  5. alanp561
    Joined: Oct 1, 2017
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    alanp561
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    Cast steel.
     
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  6. Mr48chev
    Joined: Dec 28, 2007
    Posts: 35,912

    Mr48chev
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    I'd think that is the case and probably in the same foundry that did the pedal arms.
     
  7. 60 Special
    Joined: Sep 8, 2007
    Posts: 298

    60 Special
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    from Omaha Ne.

    So the vote is 1-2 cast iron, cast steel. When I posted the question this morning I was curious to what material it was made of. I honestly couldn't convince myself that Henry would make a critical brake part out of cast iron. I admit I'm no engineer, that is why I asked the question.
     
  8. Mr48chev
    Joined: Dec 28, 2007
    Posts: 35,912

    Mr48chev
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    I originally thought that you were asking if it was cast or a stamped steel fabricated piece and actually had to go out and look and then take a second look. Getting the master cylinder off or on might involve some new profanity in your vocabulary though.

    They sell master cylinder adapters for them but a guy could fabricate one. Screenshot (1828).png
     
  9. 31 Coupe
    Joined: Feb 25, 2008
    Posts: 533

    31 Coupe
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    If it's the one shown below, I don't believe that it's an F1 pedal****embly ...... could be out a big truck though.
    The F1 unit is much more compact like in the above posts ...... do some more research.

    DSC04250.JPG
     
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  10. bchctybob
    Joined: Sep 18, 2011
    Posts: 5,910

    bchctybob
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    Here’s the one that I have mocked up in my ‘33 pickup. It’s from a ’50 Ford pickup with a little heating and tweaking. I’m no metallurgist but I’m pretty sure everything is cast steel.
    36C32EAA-04F7-4513-8F28-DED4D8F0EA6B.jpeg
     
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  11. 31 Coupe
    Joined: Feb 25, 2008
    Posts: 533

    31 Coupe
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    Yes, that's what a typical F1 unit looks like.
    I'd agree that the mounting bracket is possibly cast steel but the pedals look more like a forging ..... at least mine do.
     
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  12. alchemy
    Joined: Sep 27, 2002
    Posts: 22,632

    alchemy
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    Pedals are forged. You can heat and bend them all day long. Can’t do that to cast steel or iron.
     
  13. alanp561
    Joined: Oct 1, 2017
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    One of the best tests to determine what metal you have is a spark test. Watch the whole video but pay particular attention somewhere around 5:00 and 5:30 on the following video.
     
  14. FrozenMerc
    Joined: Sep 4, 2009
    Posts: 3,408

    FrozenMerc
    Member

    Another way to determine if it is iron or steel is to just grab your welder and run a quick spot bead. Steel will weld nice, iron will spit, spatter, and you will probably be able to knock the bead out with a hammer.

    My****umption of cast iron came from a decades old memory of touching a welder to it when I first built my truck to support a late model (mid 80's) Ford clutch master cylinder. I don't remember being successful in that welding attempt, but again I built mine the first time in '98 and I can barely remember what I ate last night.
     
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  15. bchctybob
    Joined: Sep 18, 2011
    Posts: 5,910

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    Yep. Poorly worded on my part. The pedals are definitely forgings.
     
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  16. 31 Coupe
    Joined: Feb 25, 2008
    Posts: 533

    31 Coupe
    Member

    Being an old toolmaker, the spark test was one of the first things that they taught you in your apprenticeship.
    Because we used all types of steel in this industry, the spark test was a good/reasonable way of determining an unknown steel type. For critical tooling applications that required subsequent heat treatment we'd usually scrap unmarked steels to avoid all of the risks.
    Still use it to this day ..... if I'm about to machine a piece of unknown steel barstock that will eventually need to be welded, the spark test alerts me and helps avoid me using a piece of high carbon tool steel that could possible crack.
     
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