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T-84 question

Discussion in 'Flat Fender Tech' started by CJ-X, Feb 15, 2010.

  1. Feb 15, 2010
    CJ-X

    CJ-X Member

    Ohio
    Joined:
    Aug 6, 2006
    Messages:
    817
    I am in the middle of rebuilding a T-84. It is an early 1942 ford gpw model with the fill/drain on the right side. I have found that it needs 2nd and 3rd gear, the blocking rings, and the sliding gear that goes over the synchronizer assembly. I have laying around, a T-84 of unknown origin, probably out of a 2 wheel drive as the rear of the case is different. The upper gears are in great shape, and I would like to use them to save some $'s. However, this unit has no blocking rings, they are sort of built into the synchronizer assembly. Will those upper gears work in the Ford gpw T-84? Is the taper the same?.....If not, is that entire synchronizer assembly a dependable unit that I could swap in as a whole?
     
  2. Feb 16, 2010
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
    Joined:
    Mar 4, 2003
    Messages:
    4,609
    You may need to talk to Herm (hermtheoverdriveguy.com) as he can probably point you in the right direction.
     
  3. Feb 17, 2010
    w3srl

    w3srl Semi-retired in Florida Staff Member

    Port Orange, FL
    Joined:
    Nov 6, 2002
    Messages:
    3,959
  4. Feb 17, 2010
    nc225

    nc225 New Member

    Joined:
    Jun 24, 2007
    Messages:
    4
    Early t84s are different. Seems like the taper that the blocking ring slides on is not as steep on the early ones. the later transmission has much more in common with the 2wd t96.
    mike
     
  5. Feb 18, 2010
    CJ-X

    CJ-X Member

    Ohio
    Joined:
    Aug 6, 2006
    Messages:
    817
    I did post it on the G503 board. I spend a lot more time on that board than here. But no one really knows this animal. It is a t-84c-1a. I am thinking that if the tapers are different, I could just swap in everything from 3rd gear to the synchros, to 2nd gear. But I really want to know how well these units shifted before I swap in this style of parts.
     

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