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Hot Rods 270 HEMI to T5 Trans problem

Discussion in 'The Hokey Ass Message Board' started by stegto, Oct 12, 2011.

  1. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    Hi There!
    I have just finished my 31 Ford coupe. I have a '55 Dodge HEMI with a T5 Chevy transmission; Hot Hemi Heads adapter kit. They told me to go for a Borg & Beck Clutch. I installed a HOWE hydraulic bearing bought from Speedway; they told me it was the right one for my setup. But it was not.
    The clutch moves when i push the pedal but i can not insert any gear ( i don't know the right english term for that) and with full pedal down it hurts with the bearing. I have tryed to solve the problem with different bearing spacers but no way, the problem remains. I have also bought a different T5 bearing form Summit but it does not fit. At this point i have my rod ready for the street but i cannot use it for this problem.
    I hope one of you can help me...
    Sorry for my poor english and Thanks in advance
    Stefano
     
  2. Kirk Hanning
    Joined: Feb 27, 2005
    Posts: 1,605

    Kirk Hanning
    Member

    Stefano,
    Try ordering from rockauto.com clutch part# 402 04-054 it's around $100. It's for putting a sbc into a chevy s-10 using the stock tranny. Or look up a 89-ish chevy s-10. It has a diaghpram pressure plate versus a 3 finger Borg & Beck style which is too hard on your tob. I am setting up a 53' 241" hemi with the same HotHeads kit utilizing a t-5 trans. The car isn't on the road yet but everything appears that it should work fine.

    If I can help in any way shoot me a pm
    -Kirk
     
  3. George
    Joined: Jan 1, 2005
    Posts: 7,959

    George
    Member

    Or send a PM to ScooterMcRad,he did something like this also.
     
  4. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    Sent a PM. Thanks guys.
     
  5. rockdawg
    Joined: Feb 8, 2007
    Posts: 16

    rockdawg
    Member
    from nj

    Your pressure plate is probably the problem. That t/o bearing from speedway fits nice but it says "for stock pressure plate" meaning anything with serious spring pressure will defeat the bearing travel.
    What master Cyl. are you using? I went with a 3/4" bore as I was told the 1" bore master would not give me enough travel to release the clutch.
     
    Boomchain likes this.
  6. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    I use a 3/4" too, willwood. The bearing travel is right, I think, infact the plate, when pedal is full down strike over the bearing oil line inlet...
     
  7. Mike S made the whole thing from stock parts (Mopar )and I machined him the trans to belhousing adapter. Used mech lnkage although hydraulic was an option easily adaptable. Now 1 1/2 year driving with not even a clutch adjustment. Cost $54. tis a 331 Hemi not the Dodge hemi but that is no different bolt pattern bellhousing, flywheel clutch, etc.
     
  8. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    I have tryed a mechanical fork linkage but engine and trans (rubber mounted) moved too much when I pushed the pedal...
     
  9. brigrat
    Joined: Nov 9, 2007
    Posts: 6,044

    brigrat
    Member
    from Wa.St.

    Most all cars/truck have rubber mounted motor & trans, if you have that much movement in a mechanical set up you have other problems besides the internal ones.................
    Sounds like you have a mix match of clutch parts that are not compatible to each other. I would go back and fix the motor/trans movement and intall a package Clutch/pressure plate/throwout bearing, pilot bushing for the SBC V8 in a S10 conversion like already mentioned. I have a part #ber for a Rino kit if needed. More info here! http://www.jalopyjournal.com/forum/showthread.php?t=390885
     
    Last edited: Oct 13, 2011
  10. Just a question about the S-10 tranny some of you have used. I have a 331 hemi with a Hot Heads adapter to a GM bell housing and thought you had to use a T5 from a v8 Camaro. Isn't the input shaft longer on the S-10 tranny than the Camaro hence an interference problem ?
     
  11. 73RR
    Joined: Jan 29, 2007
    Posts: 7,342

    73RR
    Member


    Just for my own curosity, I have asked this question before, along with the difference to the Ford trans, but no one ever offered any details, as in dimensions.
    Hopefully someone with a tape measure steps up for you.

    .
     
  12. BCR
    Joined: Dec 11, 2005
    Posts: 1,265

    BCR
    Member


    Did he use the stock bell from a hemi?
     
  13. scootermcrad
    Joined: Sep 20, 2005
    Posts: 12,383

    scootermcrad
    Member

    Aaaa... Here's the thread.

    I've been talking to stegto a little about this issue. There's other things associated with the issue not mentioned that were mentioned in PM's.

    This is a good thread and something that someone else may run into, so I think it's important to have all the details.

    There is something different about his T5 that needs to be looked at. I may be misinterpreting the information with some of the verbiage used, but he's having problems even MOUNTING the hydraulic t-out bearing the way it's intended to be mounted. It seems the bearing/bearings that have been purchased don't seat and/or retain correctly. There is apparently a retaining stud of some kind that locates the unit, but does not work. It sounds like the right KIND of bearing is not being purchased from the get-go. There are bolted flanged types and non-bolted types. I think it is important to make sure of the exact T5 we are talking about and that the correct bearing be identified.

    I think those steps should be addressed first before deciding that he has the wrong pressure plate. Wouldn't matter if he was using a B&B or a diaphragm type of pressure plate if the bearing was simply wrong.

    Something is very wrong here...

    My application was a little different. I have a T56 mounted with a T5 conversion plate. Sorta' the same, but not. Mine uses a bolted flange type arrangement.
     
  14. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    Scootermcrad,
    as i told you in PM next week i'll send some pics. I am curious about what kind of transmission i own...
     
  15. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    So, finally I was able to contact the person from who I bought the project ( he lives in North Bloomfield, OH). He tells me the transmission is not a real T5 but a T50 out of a Chevy Monza. Now I know this and it's a good thing but my troubles remain.
     
  16. scootermcrad
    Joined: Sep 20, 2005
    Posts: 12,383

    scootermcrad
    Member

    AAhhhhh.... Well now things are making more sense. Is that the same as a Toyota T50 transmission?
     
  17. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    Sorry, don't know; never owned a japanese car :D
     
  18. 73RR
    Joined: Jan 29, 2007
    Posts: 7,342

    73RR
    Member

    Here is a pic of the BW t50:
    [​IMG]

    The Toyota t50 case is split like a clam shell, longitudinally.

    .
     
  19. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    Exactly, my transmission.
     
  20. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    Yesterday i fixed the clutch, now it seems to work... Just a test drive and i'll be sure.
    Here a pic of my baby.

    [​IMG]
     
  21. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    Best in Show...

    [​IMG]
     
  22. Roy's ride
    Joined: Dec 4, 2008
    Posts: 85

    Roy's ride
    Member
    from Michigan

    great car!!! So how did you fix your problem? I have the same combo, 270 Dodge to a T5 for my next build so would like to avoid a bad mismatch. Thanks
     
  23. 73RR
    Joined: Jan 29, 2007
    Posts: 7,342

    73RR
    Member

    Re-read post #18 & #19...stegto has a T50, not t5.

    .
     
  24. stegto
    Joined: Jun 1, 2008
    Posts: 44

    stegto
    Member
    from Italy

    With a real T5 you should not have problems if you use a hydraulic bearing. They are made to work with T5. The T50 I own is different where the bearing works and there is no possibilities to use the bearing stud provided with the conversion kit. In my car it stays in position with a iron wire :rolleyes: and it works.
    T50 is designed to work with a fork and not with a bearing.
     

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