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AMC 20 wide trac

Discussion in 'CJ' started by Eyy-sp12, Aug 24, 2020.

  1. Aug 24, 2020 at 12:58 AM
    #1
    Eyy-sp12

    Eyy-sp12 [OP] Active Member

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    T-176 Transmission with Dana 300
    Can the AMC wide trac 20 rear and 30 front axle be used on a 1977 CJ5?
     
  2. Aug 24, 2020 at 8:38 AM
    #2
    Jim Beam

    Jim Beam Well-Known Member

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    All CJ5s came with narrow trac axles. A tape measure can easily show the wider width. I would suggest either narrow trac or custom built axles, both easily available. The front 44 on my CJ is from a pickup truck that was narrowed from a specialized Jeep shop, and the rear 44 was actually oem. I really don't fancy the Model 20 rear as the tubes are very thin and prone to problems. The model 20 and 30 will easily have problems with tires over 33". I see you have the t-176 and the 304, both are excellent for the CJ5.
     
  3. Aug 31, 2020 at 4:14 AM
    #3
    Eyy-sp12

    Eyy-sp12 [OP] Active Member

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    T-176 Transmission with Dana 300
    Jim Beam thanks for the reply . Thanks for complement . On the way I'm setting it up with t176 and 304 . Both off them are I've rebuilt and are ready . My Jeep however is not . I live in SC the head and humidity here . Pretty much put a hault on project . I work on it after work . Ut was getting to be to much . However when I start back . It will go pretty quickly . I need to find a shop . I found D44, rear and front on a 77 Cherokee chief . The front has locking hubs also . Wasn't a quadratact I think thats what there called . Man said both for 300$ if I help him get them off . I was like sure . Now I just need to find a shop . Would like to have like 3" on each side . The wheels I'm going to run or going to be 14.5 wide . Or maybe 13.5 . I'm leaning more toward the 14.5s . I'm planning on putting hydo assist on it also . Figure with those I will need it . Guess it would be best to find a 4x4 shop to do a cut down . If I do this can I custom order axle shafts ? How would I get that right ? Thanks for the advise .
     
  4. Aug 31, 2020 at 4:25 AM
    #4
    Eyy-sp12

    Eyy-sp12 [OP] Active Member

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    T-176 Transmission with Dana 300
    Oh yeah one other thing . You may have seen where I have posted questions about soa conversion. In your opinion . If you have any knowledge of soa , like the way it rides . What would you recommend? I know you're a knowledgeable person with Jeeps. Me not so much . I believe using the yj springs and a good shock like fox . Would give it a nice ride on the road . I'm making my jeep y own . A restomod if you will . I would like any experience you have of this . Thank you
     
  5. Aug 31, 2020 at 10:51 AM
    #5
    Jim Beam

    Jim Beam Well-Known Member

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    Those are really wide wheels! I do think they are a bit much for a 304. If you plan on getting axles cut, I would suggest a reputable shop do the whole operation. Get some real low axle gears. For the transfer case the D300 will accept a 4 to 1 gearset. For a brake booster you might be able to get by with a dual diaphragm type booster. A custom spring maker can make you a set of springs designed just for a spring over also. Shocks from my experience are usually "You get what you pay for for" and a leaf spring CJ requires a good set. Getting the right air pressure in the tires is also pretty critical on and off road and either a small dive tank or a engine driven air compressor will work. Building a CJ the way you want and affording to do it are two different things.
     
    LYFZGOOD likes this.
  6. Sep 1, 2020 at 6:48 AM
    #6
    Eyy-sp12

    Eyy-sp12 [OP] Active Member

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    T-176 Transmission with Dana 300
     
  7. Sep 1, 2020 at 7:03 AM
    #7
    Eyy-sp12

    Eyy-sp12 [OP] Active Member

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    T-176 Transmission with Dana 300
    I really want to do it this way . May get in touch with deaver. I have 5k set back for project . I know the 304 is not a Ls . I do want to keep a AMC engine in it . I have thought nothing about t case gearing but I was planning on getting the rearend geared in . In other words make power with them . So to speak . Later on I'm planning on putting a roller cam , eldlebrock performer , and a fi tech or holly efi throttle body on it . To increase power but mostly torque out put . When you get time if you dont mind elaborate on t case . I don't understand that part . I thought with 35s the D300 would be fine . Would it put a lot of strain on it ? As always thanks for your help with advise . I'm not a rich man so i want to get it right . Don't want to have weak link . Thanks again
     
  8. Sep 1, 2020 at 12:26 PM
    #8
    LYFZGOOD

    LYFZGOOD members

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    2.5” lift 32x11.50x15,cold air intake, Smittybuilt stainless steel Bumpers, rough county pocket flares,Rugged ridge seat covers and floor mats. Conversion LED headlights 20’ LED Light bar hardtop,soft top,bikini top.
    If the engine has a lot of miles You may want to rethink the cam and the performance work if you’re not planning on rebuilding I have seen them blow the bottom end out when you would do something like that to an engine. My brother back in the day had a 1976 Chevy Silverado 350 put a different cam in it with quite a few miles on the motor made it start using oil. Has anybody else experienced that to confirm
     
  9. Sep 1, 2020 at 2:00 PM
    #9
    Jim Beam

    Jim Beam Well-Known Member

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    Transfer case regearing is for going slow over a rock bed or a really steep hill, with the increased torque to the rear wheels you would have to go easy on the skinny pedal. When choosing rear gears with a 35" tire and no overdrive, calculate in traveling at highway speeds, like a 3:5 to 3:7. A front and rear traction aid is always good in the loose dirt. I would suggest a small tire as you can get away with.
     
  10. Sep 1, 2020 at 2:48 PM
    #10
    Eyy-sp12

    Eyy-sp12 [OP] Active Member

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    1977 CJ5 with 304 and T-176
    T-176 Transmission with Dana 300
     
  11. Sep 1, 2020 at 2:57 PM
    #11
    Eyy-sp12

    Eyy-sp12 [OP] Active Member

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    T-176 Transmission with Dana 300
    It's prett
    Thanks for the advise I believe I may do that . Hell it's gonna be spring anyway before I have it ready to drive . This SC heat and humidity will drop you this time of yr.
     
  12. Sep 1, 2020 at 3:03 PM
    #12
    Eyy-sp12

    Eyy-sp12 [OP] Active Member

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    1977 CJ5 with 304 and T-176
    T-176 Transmission with Dana 300
    The 304 probably don't have but 4k on it . Still I may hold out on that also . Although I might put efi on it . Just to make it more efficient .
     
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