Transmission mount / crossmember different automatic to manual ?

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    Transmission mount / crossmember different automatic to manual ?

    Transmission mount / crossmember.

    Its the adapter and with the change from a T400 to an SM465 the adapter changes so in a way it is the change from a automatic as the adapter isnt the same and cannot be the same, IE you cant swap from a T 400 to a SM465 and keep the same height adapter as the T 400 had.


    swapping from an automatic transmission to a sm465 manual.

    This is a 1985 but putting a 6 bolt round transfer case into with a correct adapter for the later transfer case.

    For the year 1981 to 1991 with same body style ?

    Ive seen a few real twisted crossmembers that seem to have clearances that the one that came off the truck didnt have.

    I perfer the saddle mount mount but it does not look like that is going to work.
    Last edited by PAE; 08-21-2020, 12:16 AM.

    #2
    There is no difference in trans style for the cross.

    1/2 & 3/4t are different than 1t
    70ish-84 are different than 85+.

    All depends on what 465 mount you have.
    :ogre:

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      #3
      The mount for the is the adaptor between the SM465 and NP205.

      Round pattern NP205.

      The top and bottom style mount that samwitches the crossmember..

      How are 1/2 & 3/4 T diffrent than 1T ?
      Last edited by PAE; 06-11-2020, 05:57 PM.

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        #4
        Another mount I found is just like this but its twisted up a but as the idiot that pulled it didnt support it correctly.

        This is just a representation of it.

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          #5
          Thats one of the 2 versions of that cross.

          The other goes up/down. And it goes over the exhaust.
          :ogre:

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            #6
            How about this one anybody have one they are willing to sell or trade ?



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              #7
              How about useing it
              :ogre:

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                #8
                Once I find it yes..

                Trying the one from the GMC C30 chassis first as I have that one.

                Do you have the latest one pictured ?

                Ill call it the up and down..

                What vintage would you call that one, for searching purposes.


                Originally posted by total newb View Post
                How about useing it

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                  #9
                  85+

                  You posted a pic of one in another truck.

                  The 2wd will not work with out fabricating
                  :ogre:

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                    #10
                    Which about 2-3" to high
                    :ogre:

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                      #11
                      Dont know yet..

                      You would be working on it right now but the skeeters are out and im what twenty years older and more warn out than your young bones.


                      Originally posted by total newb View Post
                      Which about 2-3" to high

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                        #12
                        Look at the mount and frame surfaces and the hieght difference.
                        :ogre:

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                          #13
                          For comparison.

                          The 2wd crossmember wont work the t case adapter sits right on it with no room for any rubbers.


                          Looks like I'm fabbing one from 2x5x.3125 rectangular tube.
                          It looks like ill be using the rubber that has 2 holes for the tcase adapter w 10mm threaded holes and 2 studs for the crossmember.







                          Last edited by PAE; 06-12-2020, 03:24 PM.

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                            #14
                            A GM 15538276 might be the correct one.

                            Clutch Master GM 19158669

                            Clutch Slave GM 15615868

                            Hydraulic clutch problem

                            if the master bore is smaller than the slave the slave moves less
                            if the master is larger than the slave it moves more
                            Last edited by PAE; 06-13-2020, 01:00 AM.

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                              #15
                              Found another GM part number for the potential crossmember i need for my sm464 and round pattern np205 transfer case.

                              Looks like a 15538276

                              Anyone know how to get the stinking photofucket water mark off of this stolen picture ?

                              Attached Files

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