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Dana 30 Swap

Discussion in 'Early CJ5 and CJ6 Tech' started by Posimoto, Dec 2, 2004.

  1. Dec 2, 2004
    Posimoto

    Posimoto Hopeless JEEP Addict

    Minden, Nevada
    Joined:
    Aug 7, 2003
    Messages:
    4,538
    I just re-read Lynn's writeup on the D30 swap. My question is how to resolve the different size yoke size between the D30 and the Model 18. My guess is that a Model 20 front output yoke will fit on the 18. Lynn. if you are out there or anyone else that knows please give me a heads up.
    Thanks
     
    Posimoto, Dec 2, 2004
    #1
  2. Dec 2, 2004
    BlueFlu

    BlueFlu past owner of some ecj5's

    Hermitage, TN
    Joined:
    Jan 21, 2004
    Messages:
    1,552
    Think I read somewhere they do swap 18/20. May be wrong though.
    Another option is a custom drive shaft. ;)
     
    BlueFlu, Dec 2, 2004
    #2
  3. Dec 2, 2004
    Project71-5

    Project71-5 BACON

    Gypsum, CO
    Joined:
    Sep 24, 2002
    Messages:
    897
    Get a 10 spline front output from a D20, fits like a glove ;)
     
    Project71-5, Dec 2, 2004
    #3
  4. Dec 2, 2004
    lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member

    Huntingdon PA
    Joined:
    Sep 20, 2002
    Messages:
    3,437
    As Joe said above. Then you can run a front drive shaft with the bigger ujoints. I like having all 4 drive shaft ujoints the same size.

    Check carefully, IIRC there are 2 different spline counts available for the D20 front output. Be sure you get the one that matches the count on your D18, 10 spline per Joe.
     
    lynn, Dec 2, 2004
    #4
  5. Dec 2, 2004
    ljspop

    ljspop Lurking Bronco Dude

    San Diego, CA
    Joined:
    Jan 29, 2003
    Messages:
    394
    Thanks guys - I'll need one of these buggers also. Answers to my questions without even having to ask. I love this place. :D
     
    ljspop, Dec 2, 2004
    #5
  6. Dec 2, 2004
    71cjsixer

    71cjsixer New Member

    Boise Idaho
    Joined:
    Sep 21, 2002
    Messages:
    33
    When I did my dana 30 swap with a 73 axle, I used a front drive line from a 4cyl jeep( I had broke two of the small v6 yokes). I did install a larger yoke on my Dana 18 also from a 4cyl and hand no interference issue with the T- 14.

    P.S
    I'm in the process of installing drive lines from a 72 blazer that had a dana 20 installed. The rear driveline is the same length as my stock one and the front one has a double caridian(spelling ?) joint and is the same length and they both have the same u-joint size.

    71cjsixer
     
    71cjsixer, Dec 2, 2004
    #6
  7. Dec 2, 2004
    Posimoto

    Posimoto Hopeless JEEP Addict

    Minden, Nevada
    Joined:
    Aug 7, 2003
    Messages:
    4,538
    Thanks for the feedback, guys.
     
    Posimoto, Dec 2, 2004
    #7
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