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Dana 30 Swap Question

Discussion in 'Intermediate CJ-5/6/7/8' started by BlockheadCJ5, Sep 29, 2011.

  1. Sep 29, 2011
    BlockheadCJ5

    BlockheadCJ5 New Member

    Raleigh, NC
    Joined:
    Oct 11, 2010
    Messages:
    11
    Want to convert the front drums on my '73 CJ5. Found a Dana 30 narrow track with disc brakes - think it's off a '76 CJ7. Will this fit my 73 dana 30? Thanks!
     
  2. Sep 29, 2011
    BlockheadCJ5

    BlockheadCJ5 New Member

    Raleigh, NC
    Joined:
    Oct 11, 2010
    Messages:
    11
    Just look at the classifieds on here - its not that Dana 30 :)
     
  3. Sep 29, 2011
    nwedgar

    nwedgar Now with TBI!

    Newnan, Georgia
    Joined:
    Oct 26, 2005
    Messages:
    1,785
    It will fit. However, the gear ratio might be different.

    You can always buy it, then swap knuckles, then resell it. That's what I did, and it worked out well for me.
     
  4. Sep 29, 2011
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
    Messages:
    23,596
    Just FYI, '77 was the first year for disks. A '76 has drums all around, just like a '73 (the rears are different though).

    Yes, swap everything from the knuckles out, and keep your gears and housing.
     
  5. Sep 29, 2011
    BlockheadCJ5

    BlockheadCJ5 New Member

    Raleigh, NC
    Joined:
    Oct 11, 2010
    Messages:
    11
    Great, thanks for the quick responses!! :beer:
     
  6. Sep 29, 2011
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
    Joined:
    Jan 15, 2011
    Messages:
    2,119
    You will need to use the outer shaft from the dana 30 with the disk brake. Will fit perfectly i did it last winter everything is bolt on. ...or if you're gear ratio is the same on both axle just put the complete dana 30 under you're jeep...

    Another thing you will need the brake line from the dana 30 with the disq brake i think the drum one aren't the same...
     
  7. Sep 30, 2011
    80cj

    80cj Member

    Hawaii
    Joined:
    Sep 1, 2003
    Messages:
    554
    Unless somebody swapped gears, 73 ratios were 3.73 and 4.27. 76-79 ratios were 3.54 and 4.09.
     
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