1. nbbcrh

    nbbcrh Member

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    Gentlemen, quick question, switching my 8 3/4 out with Dana 60, question is Will the straps of the 8 3/4 work on the Dana 60 yolk, I know it will line up and screw in but not sure if it has an effect on the Dana's u-joint cups, the Dana is missing it's straps, have extra 8 3/4's.
    Thanks in advance
     
  2. Aeronet

    Aeronet Well-Known Member

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    Only if it was laid by a bird (ha, ha).
     
  3. Dipstick

    Dipstick Well-Known Member

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    Depends on what YOKE the 8 3/4" and the Dana have. If both use the 7290 u-joint, the straps will work. I think the '66 Dana used the 7260 u-joint.
     
    Last edited: Feb 8, 2020
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    • Fran Blacker

      Fran Blacker FBBO Gold Member FBBO Gold Member

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      66's believed used 1330 u-joint.
       
    • Suregrip391

      Suregrip391 Well-Known Member

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      1330 is correct, I second that
       
    • andyf

      andyf Well-Known Member

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      You have the parts sitting in front of you, what do you think? Do they look identical?
       
    • Fran Blacker

      Fran Blacker FBBO Gold Member FBBO Gold Member

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      Your driveshaft you have for 8.75 will be to long. Did a driveshaft come with the dana?
       
    • nbbcrh

      nbbcrh Member

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      yes, on the driveshaft,
      straps from 67 741 rear.
      Are the caps the same size from respective u-joints.
      Both original equip, Dana 23 pinion spline flange, I have it, don't have 741 anymore
      I just don't know if u-joint caps are the same size, whether the 741 straps will work on dana 60 yolk or cause problems
       
    • Fran Blacker

      Fran Blacker FBBO Gold Member FBBO Gold Member

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      Dana 60's from Mopar cars had 29 spline yokes and in 68 they had 7290 u-joints. Do you have the 68 Dana drive shaft to go with the rear? Your answer wasn't clear to me. You need to find out what u-joints you have on driveshaft and yoke. Measure cups sizes. 741 straps will only work on 7260 u-joints.
      1330 u-joint cups size 1.0625"
      7290 uj cup sz 1.126"
      7260 uj cup sz 1.078"
      Here is a website with info.
      http://www.driveshaftspecialist.com/HTML Measure/UJ ID Guide.html
       
    • nbbcrh

      nbbcrh Member

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      Last edited: Feb 27, 2020
    • Ceedawg

      Ceedawg Well-Known Member

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      Hmmm, I have a 68-9 dana with u-bolts, two more yokes, one with straps one with u-bolts. I’ll measure tonite, just thought they where the 7290 type. Now the race car dana has the conversion joint 1350 to 7290, using a 69 4speed Dana driveshaft.
      UPDATE
      Ok, eye opener, 7 Dana flanges.
      2- 1-1/16-3.61 outside tabs- straps 1330
      2-1-1/16-2.09 inside clips straps small dodge joint 7260
      1-1/18-2.61 clips & straps 7290
      1-1-1/8-3.61 tabs & u-bolts-7290
      1-1-3/16-3.61 tabs & u-bolts- 1350
      Very surprised the 1-1/16 cups on the stock Dana’s
      Could be off a little on the widths
       
      Last edited: Mar 3, 2020
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