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Technical stude V8 to chevy st transmission

Discussion in 'Traditional Hot Rods' started by vetteson, Jul 6, 2021.

  1. vetteson
    Joined: Oct 7, 2010
    Posts: 225

    vetteson
    Member

    Is anyone aware of an adapter that will mate a chevy standard trans. to a stude V8. Or has anyone made an adapter?
     
  2. Stooge
    Joined: Sep 9, 2015
    Posts: 501

    Stooge
    ALLIANCE MEMBER

    I thought the Ford T-5's were the 'pretty close' transmission of choice for the Studebakers. the first stop i would make, would be, and im not sure if he has a site or might have to email him if he still makes them, but Dan Giblin sells/ or atleast used to sell, an adapter kit i have seen over on the Studebaker driver's club, and i believe is to bolt a T-5 in place. Phil Harris' Fairborn Studebaker parts, along with Bendtsens/ Speed Gems both have adapters for Studebakers to GM autos, and might have some insight on what people are using for manual swaps.
     
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  3. vtx1800
    Joined: Oct 4, 2009
    Posts: 1,348

    vtx1800
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  4. Jokester
    Joined: Jan 29, 2005
    Posts: 536

    Jokester
    Member

    Which Chevy standard trans? Four or five speed?

    .bjb
     

  5. Paul
    Joined: Aug 29, 2002
    Posts: 15,526

    Paul
    Editor

    Studebaker car and truck bellousing from the '60s comes to mind.. not sure of year or model though..
    Early '60s had Chevy pattern, mid/late? '60s had Ford pattern if I remember correctly..
     
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  6. the 259 Stude motor in my yet unfinished model A sedan, has a bell housing that mates a GM bolt pattern T10 fourspeed to it. It came from a 62 Lark I believe. If you are putting it into an early for hotrod, the clutch linkage for that Bell housing is almost a direct hook up for 39 pedals as well.
     
  7. Reverborama
    Joined: Aug 27, 2009
    Posts: 195

    Reverborama
    Member
    from Minnesota

  8. Mr48chev
    Joined: Dec 28, 2007
    Posts: 30,037

    Mr48chev
    ALLIANCE MEMBER

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  9. Mike VV
    Joined: Sep 28, 2010
    Posts: 2,440

    Mike VV
    Member
    from SoCal

    The above is one way.

    The other way is to find (pretty rare) as noted above, the Stude bellhousing with the GM trans. (T-10/Muncie) pattern.

    Either of the above will work with a manual shift trans.
    Only the Phil Harris adapter will work if using an automatic trans.

    Mike
     
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  10. joel
    Joined: Oct 10, 2009
    Posts: 1,988

    joel
    ALLIANCE MEMBER

    The T10 transmission to fit Studebakers was the same as a Chevy EXCEPT the pilot diameter of the input shaft is larger and slightly longer for the Stude. It was common to re-machine them to fit Chevys. Also, the Stude had an iron case.
     
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  11. Humm...both of my Stude 4sp's are aluminum .......
     
  12. Speed Gems
    Joined: Jul 17, 2012
    Posts: 3,551

    Speed Gems
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  13. joel
    Joined: Oct 10, 2009
    Posts: 1,988

    joel
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    I don't doubt the aluminum case and there may be T10 s that have a different mounting bolt pattern. I'm reporting on trans I saw coming from factory "surplus" in the South Bend area. Thinking back, I machined a couple of inputs and never saw the cases. I'm curious; have you seen a Chevy T10 installed behind a Stude V8 using a custom pilot bearing/bushing?
     
  14. Sorry - no I haven't.....should I get a picture of one of mine ? My AMX buddy has the same issues with the AMC trans.
     
  15. joel
    Joined: Oct 10, 2009
    Posts: 1,988

    joel
    ALLIANCE MEMBER

    I took a pic of 2 input shafts; the left is Stude and the right is Chevy. I hope the info is useful. IMG_1985.JPG The left is 7/8 in longer overall and the chamfer on the spline starts about 3/16 above the right one. The Stude pilot dia. is .748 in. and the Chevy is .490 in.
     
  16. wheeldog57
    Joined: Dec 6, 2013
    Posts: 2,141

    wheeldog57
    Member

    Don't be shaming the Chevy just because his shaft is 7/8 smaller, hehehe!!
     
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  17. wuga
    Joined: Sep 21, 2008
    Posts: 397

    wuga
    ALLIANCE MEMBER

    I used a Mustang T5 behind my Stud 259 with a Phil Harris adaptor kit. The kit came with a stepped bearing that reached out to the input shaft. He also has the kit for a Chev T5. Very easy install. I would measure the input shaft and the distance from the back of the bell housing to the flywheel adding for the thickness of the adaptor plate.
    Warren
     

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