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Cj3b With Dauntless Needs Heavier Axles With Power Steering

Discussion in 'Flat Fender Tech' started by Jeffyjeep, Jun 10, 2019.

  1. Jun 11, 2019
    3b a runnin

    3b a runnin Sponsor Sponsor

    virginia
    Joined:
    Jan 11, 2015
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    Totally understand. Go for it and enjoy!!(y)
     
  2. Jun 11, 2019
    73 cj5

    73 cj5 Destroyer of Jeeps Sponsor

    Clinton, Mississippi
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    Jan 10, 2014
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    If you want stance,,,WT D30...I know a guy :whistle:
     
  3. Jun 12, 2019
    timgr

    timgr Jeepin' Nerd Sponsor 2019 Sponsor

    Medford Mass USA
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    Aug 10, 2003
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    This piqued my interest, because previously I understood that the J-trucks have a long enough wheelbase (and rear prop shaft length) that there was no special axle needed for the Quadratrac. Supposedly the same axle was used with the D20 and the Quadratrac. Well, looking at the parts book, generally that's true, but there was one year (1979, last year for the Borg-Warner Quadratrac) when the J20 Quadratrac got a special Dana 60-3 axle, and only with a 3.73 or 4.10 axle ratio. There were 3.54s available, but they got the same axle as the D20 in 1979. So those offset axles will be really scarce.

    I would point out to the OP that this is a pickup truck width axle at 65.9" so all of your tire would be outside the factory fender width.
     
    Last edited: Jun 12, 2019
  4. Jun 12, 2019
    ITLKSEZ

    ITLKSEZ Volvophilic

    Post Falls, ID
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    Aug 13, 2015
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    3,057
    That's interesting. Thanks for the info. I had no idea they were that rare; I had two of them. One I re-sold, and the other I rarrowed the long side to match the short side and used a second short shaft for a custom-narrowed FF D60 using stock parts. It ended up pretty close to the width of the wagoneer D44 I used up front with 3/4 ton outers (to retain 8-lug bolt pattern). 3.73 gears.
     
  5. Jun 12, 2019
    jpflat2a

    jpflat2a what's that noise?

    Riverside CA
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    Jul 30, 2003
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    7,718
    They won't be. Your T86 will go poof.
     
    colojeepguy likes this.
  6. Jun 14, 2019
    Warloch

    Warloch Did you say Flattie??? Staff Member Sponsor

    Falcon, CO
    Joined:
    Mar 4, 2003
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    4,389
    Being a wheeler in rocky ground, the build I have on the Red '50 is my 'ideal' build for a flattie. I do have 2 sets of Waggy D44 axles that I'm going to throw under a build one day as well. I would also say that after the front axle (and you'll note I have a D30) your tranny will be your weak point. Also if your really going to crawl, the ratio is too high for that and you should consider a truck 4 speed (SM465 or T18 are my options).

    The D30 up front, FF D44 in back with OX lockers have been bullet proof since I put them on. I have a high horse 225 that was built with Kenne Bell parts for the Pikes Peak Hill climb and have since put EFI on it. All that with the SM465/D18 and OD makes it a great bullet proof rig. I've taught several 'teenagers' (my 3 boys and 2 nieces) to wheel with it and even they haven't broken anything on it - so far... However, one of my grandson's shows promise :D
     
  7. Jun 17, 2019
    masscj2a

    masscj2a Member Sponsor 2019 Sponsor

    Chester Mass
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    Dec 27, 2013
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    Not saying this is the best build for you, but I have found that the NT 30 up front and flanged 44 out back make a great combo. I have used both the T15 and T 18 and depending on the intended use, each works great for that use. T15 behing a 4.3 and T 18 behind a Dauntless. Right now, I am in the process of putting in a centered flanged 44 behind a Dana 20 with Terra low, behind a 225 Odd fire. I'm using a Commando 44 centered rear. I have run 35 Mud Terrains with the T15 and 4.3. Didn't beat the snot out of it, but wheeled it in tough spots. The 30 NT held up with out breaking with an ARB locker and alloy shafts. Within the next year or so, I'm thinking about NT 30 and 44 in a 3b, with even fire 231, with super 18 and terra low. So you can see it varies for me around certain axles and engine combo's, but kinda close to the same. Good luck and good job teaching the youngsters on your Jeep.
     
  8. Jun 17, 2019
    masscj2a

    masscj2a Member Sponsor 2019 Sponsor

    Chester Mass
    Joined:
    Dec 27, 2013
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    But trust me, if it were not for sake of ease of finding, I would use a narrowed 44 up front. But to build or buy one done , just is not in my time frame or wallet.
     

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