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Technical Flathead/T5 TO Brg options

Discussion in 'The Hokey Ass Message Board' started by Katuna, Feb 23, 2019.

  1. Katuna
    Joined: Feb 25, 2005
    Posts: 1,809

    Katuna
    Member
    from Clovis,Ca.

    Looking for suggestions for my motor/tranny set up. Have an 8ba with the 2 piece bellhousing (hogs head), a Dwight Bond adapter and a T5. I'm using a stock flathead 3 finger clutch and currently have the stock TO bearing installed. I'm using the Dwight Bond Model A pedal shaft, utilizing stock A pedals and clutch hardware. As far as the pedals go, it all just fell together with stock parts. Very nice. The issue I have is, I'm about 3/4" from the face of the bearing to the face of the fingers. By the time I apply all the travel I have in the clutch pedal, I'm hardly pressing on the fingers. Even with the clevis adjustment taken all the way up, it just makes contact with the fingers. I'm still short on travel.

    What I'm looking for is a deeper (longer ?) TO brg. to take up the 3/4" distance to the fingers. I could make a sleeve/spacer to go behind the bearing to keep it from travelling back so much but, the clutch arm is drilled and pinned. If I put in a spacer, it will move my arm forward and I'll just end up with the same problem I have when I adjust the clevis all the way up.

    Does anyone have this adapter set up with a non-stock TO brg and if so, do you remember which bearing you used?

    We thought we had all the geometry worked out. We had the whole car together and sitting in the street running when the clutch wouldn't disengage. The horror. That'll teach me to put everything together without a test drive. Thanks in advance (I hope!)
     
  2. Mr48chev
    Joined: Dec 28, 2007
    Posts: 25,638

    Mr48chev
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  3. big duece
    Joined: Jul 28, 2008
    Posts: 5,613

    big duece
    Member
    from kansas

    Any pics? What size bearing retainer? Typical Ford clutch release fork? There is a modern throw out bearing that has the diameter to mate to the long style pp.
     
  4. V8 Bob
    Joined: Feb 6, 2007
    Posts: 2,484

    V8 Bob
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    Can't you just lengthen the link between the pedal and clutch shaft to reduce the T/O clearance to the desired tenth" or so? That's normally what is done.
     
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  5. Katuna
    Joined: Feb 25, 2005
    Posts: 1,809

    Katuna
    Member
    from Clovis,Ca.

    big duece-It’s the stock clutch fork and bearing retainer.

    V8 Bob-Two reasons I can’t lengthen the clevis. First, because of the geometry of the connection point on the pedal, even with the stock clevis, once you run it out all the way, it begins to bind and won’t swivel. Second, if I were to lengthen it, I would have a mile of pedal travel. I have plenty of travel, I’m just starting out too far away from touchdown.


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  6. big duece
    Joined: Jul 28, 2008
    Posts: 5,613

    big duece
    Member
    from kansas

  7. big duece
    Joined: Jul 28, 2008
    Posts: 5,613

    big duece
    Member
    from kansas

    I have one here that I pressed a bronze liner in to mate with GM T5, but ended up not using it. I can press the bushing out if you want to try it. I ended up using a diaphragm PP and could not use this big if bearing.
     
  8. Katuna
    Joined: Feb 25, 2005
    Posts: 1,809

    Katuna
    Member
    from Clovis,Ca.

    Here's the throw out/fork and the pedals.

    IMG_0718.JPG

    IMG_0713.JPG
     
  9. Katuna
    Joined: Feb 25, 2005
    Posts: 1,809

    Katuna
    Member
    from Clovis,Ca.

    Hmm, you may be on to something. It's a lot deeper than the stock one. If its not too buried could you get me an ID, OD and depth measurement?
     
  10. big duece
    Joined: Jul 28, 2008
    Posts: 5,613

    big duece
    Member
    from kansas

    Outside diameter is 3 7/16 3.437, ID is 1.750, overall height is 1.992 and 1.355
     
  11. big duece
    Joined: Jul 28, 2008
    Posts: 5,613

    big duece
    Member
    from kansas

    Pics 20190223_212043.jpeg 20190223_212057.jpeg 20190223_212109.jpeg

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  12. V8 Bob
    Joined: Feb 6, 2007
    Posts: 2,484

    V8 Bob
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    I didn't know the "A" linkage pulls rather than pushes. It looks like a shorter link would move the T/O forward, by replacing your link and using a full threaded eye bolt going into a female clevis, from the pedal to clutch release arm?
     
  13. Katuna
    Joined: Feb 25, 2005
    Posts: 1,809

    Katuna
    Member
    from Clovis,Ca.

    big duece-man, thanks so much for going to the trouble. That helps a lot.

    V8 Bob-But I’ve already chromed everything! Haha! That is a thought. As long as my pedal doesn’t run out of travel back towards the seat. The only problem I see with what you’re suggesting is you may be limited in the amount of adjustment but, once you figure out the basic set up, you wouldn’t need too much adjustment anyway.


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  14. krylon32
    Joined: Jan 29, 2006
    Posts: 5,918

    krylon32
    Alliance Vendor
    from Nebraska

    Why don't you contact Dwight Bond? He sold the kit so he should be able to trouble shoot your problem.
     
  15. Katuna
    Joined: Feb 25, 2005
    Posts: 1,809

    Katuna
    Member
    from Clovis,Ca.

  16. Atwater Mike
    Joined: May 31, 2002
    Posts: 9,796

    Atwater Mike
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    Interesting...but fear there is only one spread value of forks.
    Watching intently...Beautiful machine, polish, and finish work on tranny and related items!
     
  17. Ziggster
    Joined: Aug 27, 2018
    Posts: 381

    Ziggster
    Member

    I was just wondering the same thing as I went through my pile of parts. I have a T5 (mustang) with a MDL adapter. At the moment my input shaft is not correct, but the depth of your hogs head relative to the trans looks much different than mine.
    image.jpeg
     
  18. big duece
    Joined: Jul 28, 2008
    Posts: 5,613

    big duece
    Member
    from kansas

    I thought it fit pretty well, is your fork Ford or aftermarket? 20190306_201329.jpeg 20190306_201311.jpeg 20190306_201301.jpeg 20190306_201359.jpeg

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  19. Ziggster
    Joined: Aug 27, 2018
    Posts: 381

    Ziggster
    Member

    The hogs head is Ford. I'm speaking about the how deep my input shaft mtg bolts are relative to the adapter surface compared to yours. Again, I need to change my input shaft as it is a 94 type, but the adapter from MDL is actually counter bored on the mating surface to the T5 to allow space for those input shaft mtg bolts. Yours looks different. The MDL adapter is 1.125" thick between the mounting surfaces of the T5 and hogs head, and has a center ring that protrudes from the hogs head mounting surface to center it. It would seem on mine the forks would be moved further away from the T5 and towards the engine than on yours.
    image.jpeg
     
  20. krylon32
    Joined: Jan 29, 2006
    Posts: 5,918

    krylon32
    Alliance Vendor
    from Nebraska

    I did a customer car several years ago that used a Shadow Rods Mustang trans to FH Ford adapter and they sent a TO bearing that had clips on it to go over the fork. It combined with a Mustang diaphragm PP that bolted to the FH flywheel worked great.
     
  21. V8 Bob
    Joined: Feb 6, 2007
    Posts: 2,484

    V8 Bob
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    Like these? I'm using a '51 Merc full cast bell, fork and T/O bearing with a Mustang T-5. The '49-'53 Ford/'51-'53 Merc (and maybe later) used this style T/O bearing with the clips.

    upload_2019-3-7_12-21-9.jpeg
     
  22. krylon32
    Joined: Jan 29, 2006
    Posts: 5,918

    krylon32
    Alliance Vendor
    from Nebraska

    That's the bearing
     
  23. Katuna
    Joined: Feb 25, 2005
    Posts: 1,809

    Katuna
    Member
    from Clovis,Ca.

    Big Duece-Your fork is different than mine. I think I have another one somewhere. Mine is thicker (if I do say so myself) and so the groove in the bearing carrier won’t slide all the way down. Thanks for that pic. It helps.

    Atwater Mike-Thank you! We tried to make it look decent. It’s kind of scuzzy right now. Need to give it a quick polish before it goes back in.


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  24. Katuna
    Joined: Feb 25, 2005
    Posts: 1,809

    Katuna
    Member
    from Clovis,Ca.

    Dig through my spares and found the other fork. The bearing slipped right on. Woo hoo!


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