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Technical Can some one identify this adapter

Discussion in 'The Hokey Ass Message Board' started by MERCURYGUY, Oct 18, 2025 at 8:54 AM.

  1. MERCURYGUY
    Joined: Jul 30, 2009
    Posts: 4,407

    MERCURYGUY
    Member

    I picked up a nice 1953 Ford Flathead at the cape yesterday and this adapter was on top of it the owner said it was not part of the 52 engine. Can anyone identify this adapter. It is steel not cast iron but I do not see and numbers on it Thanks Mercuryguy
     

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    hrm2k likes this.
  2. rusty valley
    Joined: Oct 25, 2014
    Posts: 4,301

    rusty valley
    Member

    Looks like the merc 1/2 bell to me. Should fit any ford trans back to 32
     
    hrm2k likes this.
  3. krylon32
    Joined: Jan 29, 2006
    Posts: 10,686

    krylon32
    ALLIANCE MEMBER
    from Nebraska

    49-50 Merc. Does need a starter plate to be complete. I have about 20 in stock, cleaned and ready to sell.
     
    Pist-n-Broke likes this.
  4. That looks to be a Factory Ford 49-50 Mercury item. It was also used in the early F-1 trucks if I remember correctly. It's not an aftermarket item. What I don't see is the bottom forward lower Metal Cover that indexes the starter motor to the housing.
     
    1oldtimer likes this.
  5. 19Fordy
    Joined: May 17, 2003
    Posts: 8,349

    19Fordy
    Member

    Definitely a 49-50 Merc.
    Some early 1951 Mercs with manual transmission also used this adapter.
    The starter plate has to be the correct one for that adapter.
     

    Attached Files:

    warbird1 and Pist-n-Broke like this.
  6. dwollam
    Joined: Oct 22, 2012
    Posts: 2,749

    dwollam
    ALLIANCE MEMBER

    The pickups had a cast iron one. Merc was steel. I have some of both'

    Dave
     
  7. clem
    Joined: Dec 20, 2006
    Posts: 4,665

    clem
    Member

    Anyone know:
    Why did they use a steel bell housing for the Mercury and not the others ? (assuming I have that correct).
    What are the advantages of pressed steel over cast apart from weight saving ?
    How many different pressed steel types were there, - just one ?
    I know there were left hand and right hand starter plates.
    Thanks !
     
  8. 51504bat
    Joined: May 22, 2010
    Posts: 5,570

    51504bat
    ALLIANCE MEMBER

    The cast 1/2 bell in a truck would allow the use of an 11" clutch. The Mercury stamped steel one limited to 10" or smaller.
     
  9. 19Fordy
    Joined: May 17, 2003
    Posts: 8,349

    19Fordy
    Member

    11 in clutch and pressure plate in trucks required the use of the cast iron adapter.
     
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  10. Beanscoot
    Joined: May 14, 2008
    Posts: 3,584

    Beanscoot
    Member

    I think it's somewhat arbitrary for some parts to be made from cast iron or formed steel. Each has significant tooling costs.
    It seems to me that it is more difficult to maintain high precision of dimensions with a steel stamping. A casting is not initially very precise, but dimensional accuracy is created when it is machined.
     
    clem likes this.
  11. Because it’s Ford Motor Company! Their unofficial motto-

    “Why simplify when you can complicate?”
     
    clem and 51 mercules like this.
  12. HEATHEN
    Joined: Nov 22, 2005
    Posts: 9,019

    HEATHEN
    Member
    from SIDNEY, NY

    Yeah, I think that Ford tried to set the record for different bell housing patterns.
     
    Robert J. Palmer likes this.

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