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Technical Transmission install help needed

Discussion in 'The Hokey Ass Message Board' started by askforjonny, Jan 17, 2021.

  1. Lastnight I got the flathead in my 49 fordoor car and I'm having difficulty trying to get my transmission mount to line up correctly with the holes in the cross member..... im struging.
    I have installed the mount both sides up. I'm not sure exactly what the hell I'm missing.
    Maybe someone can throw me a bone.
     
  2. Lost in the Fifties
    Joined: Feb 25, 2010
    Posts: 433

    Lost in the Fifties
    Member

    A picture might help to see what is going on. Leave all bolts in cross member and mount loose. Start all bolts before tightening. Can you start all bolts in trans. mount before attaching to cross member?
     
    askforjonny likes this.
  3. dwollam
    Joined: Oct 22, 2012
    Posts: 1,253

    dwollam
    Member

    Is it the original trans from this car or one you picked up somewhere? I ask because you see these advertised as '49-'51 or '49-'56 and they are not the same. Changed in '51.

    Dave
     
    askforjonny likes this.
  4. That^^^^ and get a prybar. Even stock you sometimes have to persuade one.
     

  5. Often a tapered drift or philips screwdriver is all that's needed. Exact line up isn't the norm when installing mount to chassis bolts.
     
  6. So each hole in the transmission mount is about a 1/2 off lining up with the cross member holes. It is the OG mount.
    I matched it a few yrs ago with the removed old one...... I know crazy but it matched up just almost seems like the tranny needs to go forward a bit but the motor is in and mounted now as far forward as it will go.
    I'm not sure the direction I guess the flat square mount goes. Flat section with holes for bolts towards the front or back of the car?
    I've flipped it a few times. Now...
     
  7. goldmountain
    Joined: Jun 12, 2016
    Posts: 2,656

    goldmountain

    What is an OG mount? Flathead four door? Are we talking about a Ford or Dodge or Pontiac? As was mentioned earlier, pictures would help.



    Sent from my SM-T350 using The H.A.M.B. mobile app
     
    askforjonny likes this.
  8. Well, if everything is Right except something is Wrong then I would take the easiest route and get out a file and make the bolt holes line up. That said it probably isn't that the holes are drilled wrong. Find someone that knows what they are looking at and show them being it seems to be hiding from you. Another option as mentioned is a few photos.
     
    Blues4U likes this.
  9. Boneyard51
    Joined: Dec 10, 2017
    Posts: 4,838

    Boneyard51
    Member

    Go with the rule “ everything loose untill all bolts are in”. Loosen up your engine mounts, your cross member mounts the transmission mount. Loose but bolts still in. Then tighten them all up. Might be your problem.






    Bones
     
    Desoto291Hemi likes this.
  10. ekimneirbo
    Joined: Apr 29, 2017
    Posts: 1,825

    ekimneirbo
    Member
    from Brooks Ky

    Does the driveshaft fit correctly like it is?
     
    rpm56 likes this.
  11. Yeah, everything seems to fit together except the pad from s.s. central seems to be off.....
     
  12. Original mount. Flathead ford fordoor car....
     
  13. goldmountain
    Joined: Jun 12, 2016
    Posts: 2,656

    goldmountain

    s.s. central? If you keep confusing us with your terminology, include a picture.
     

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