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who the...what the....what do I have?

Discussion in 'Early CJ5 and CJ6 Tech' started by rich45, Aug 2, 2004.

  1. Aug 2, 2004
    rich45

    rich45 New Member

    atascadero,Califo...
    Joined:
    Aug 18, 2003
    Messages:
    33
    I may have scored real well but I'm not sure where the transfer case is concerned.My old neighbors brother stopped by to get the shifter from the donor car camero I had-in the process we got talking about our jeeps and he ended up giving me a sm 420 hooked up to a rockwell t221.I know nothing about the transfer case (ratio,ect).I do know it weighted more then the transmission-cann't believe this was in a flat fender jeep,hope it may work in my commando.Would my Dana 20 case be better?
     
  2. Aug 2, 2004
    181jeep

    181jeep Banned

    central valley, ca
    Joined:
    Feb 3, 2004
    Messages:
    376
    That combo came from a 1960 -1969 gm 20 series truck. I dought it was ever in a flat fender but odder things have happened. I would think the dana 20 would be a better choice.

    JB
     
  3. Aug 2, 2004
    Grinsha

    Grinsha minimally sufficient

    Montana
    Joined:
    Nov 11, 2003
    Messages:
    107
    With that heavy a Tranny and T case yor commando will porbably be sitting on the bumpstops.
     
  4. Aug 2, 2004
    Kaiser_Lover

    Kaiser_Lover New Member

    Florida
    Joined:
    May 30, 2004
    Messages:
    14
    yea save it for a full size jeep, unless you plan on building a rockcrawler and strenghtening the frame and upgrading axles and what not, dana20's came behind AMC 360's and a few 401's so you should be ok there
     
  5. Aug 2, 2004
    Bob

    Bob Member

    Northern California
    Joined:
    Sep 23, 2002
    Messages:
    436
    The T221 has a 1.94 low range ratio. From what I've heard and read, it's a good, strong t-case but getting rare. I'd stick with the Model 20 too.
     
  6. Aug 3, 2004
    66cj5

    66cj5 Jeep with no name

    NorthWest Indiana
    Joined:
    Sep 10, 2003
    Messages:
    2,084
    if you put 18 gears in the 20, you have the 18's low range.
     
  7. Aug 3, 2004
    rich45

    rich45 New Member

    atascadero,Califo...
    Joined:
    Aug 18, 2003
    Messages:
    33
    T 221

    Thanks for the replies-I kind of thought the dana 20 is the better way to go-more options and parts available.I can find very little about the t221 but thought it could save me shelling out for the adapter for the 420/dana 20 combo.I couldn't believe this was shoehorned under an old flat fender(48?) jeep either- had to ask him twice :shock: .Looks like something out of a two ton truck.Now that I have it what should I ask of the next proud owner?(If I can find one?)actually think I have someone who was looking for one just didn't know what he was talking about till now.Thank again!
     
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