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V6 T176 D300 in a ECJ5

Discussion in 'Early CJ5 and CJ6 Tech' started by Toolmaker, Aug 30, 2008.

  1. Aug 30, 2008
    Toolmaker

    Toolmaker Member

    Westminster, SC
    Joined:
    Oct 3, 2005
    Messages:
    132
    I have decided to replace my leaking T14 D18 combo in my '71 with a T176 D300 combo. I have a centered D44 rear to swap in as well. My Jeep sees mostly street miles and I think a T176 will be sweet behind a V6. What do ya'll think?
     
  2. Aug 30, 2008
    windyhill

    windyhill Sponsor

    PA
    Joined:
    Nov 4, 2006
    Messages:
    1,502
    Don't know about adapting v6 to t-176 but I had a 176 in a scrambler years ago and it was a great tranny for street and some minor off roading.
     
  3. Aug 30, 2008
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
    Messages:
    23,596
    The T-176 has a few things going for it. As I'm sure you know, the T-176 is a version of the Ford toploader 4-speed that was built for Jeep on license from Ford by Tremac. It may be the only fully synchronized passenger-car-style 4-speed with a top shifter that you can put in a Jeep, aside from the weak SR-4 or T-4. I guess they shift pretty nice - I have not driven one.

    What I've heard the two liabilities on the T-176 are 1) the shift tops wear out, which causes a shifter jam, and 2) the main shaft can break where it necks down to meet the bull gear. New shift tops are available from Crown, and apparently there is an improved main shaft with an improved radiused transition where the shaft necks down.

    You should be fine with a T-176 behind a V6, unless you run really big tires or are really wild off the pavement.

    The other transmission I might consider would be the T-19, which is a Ford truck transmission that is fully synchronized too. It can be found in close-ratio, medium-ratio and wide-ratio versions. Supposedly there are junkyard ways to adapt a T-19, but the easiest route is to buy an adapter. Since the T-19 is a real truck transmission, I expect the shifting is heavier than the T-176, more like the T-18.

    Look at the Novak site - lots of good info there www.novak-adapt.com - search around; there are lots of links and it pays to explore all of them.
     
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