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Did GM ever offer a Dana 60 REAR axle?????

Discussion in 'The Garage' started by BlazerGuy, Jun 9, 2002.

  1. BlazerGuy

    BlazerGuy 3/4 ton status

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    I was screwin around on 4x4 Review and took there 4x4 vehicle quiz when this Question came up. I answered "E" but it said I got it wrong what gives? /forums/images/icons/confused.gif
     
  2. thatK30guy

    thatK30guy 1 ton status Premium Member

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    GM offered the D60 as a rear axle in the pre-'73 trucks.
     
  3. BlazerGuy

    BlazerGuy 3/4 ton status

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    /forums/images/icons/ooo.gif Damn I wish I could find one of them layin around in the boneyards.....
     
  4. 70~K5

    70~K5 1/2 ton status

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    '71-'72 3/4 ton gm trucks could have either a Corp (eaton) or a D60 rear. Most of the D60 rears I;ve seen were in 2wd trucks. /forums/images/icons/cool.gif
     
  5. stump_puller

    stump_puller 1/2 ton status

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    They were 35-spline? Huh I didn't think so. Learn something new everday.
     
  6. Emmettology 101

    Emmettology 101 3/4 ton status

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    No most of the older 60's were 19(or 16) spline.
     
  7. Beast388

    Beast388 1/2 ton status

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    The majority of rear Dana 60's used between 67-72 were 30 spline, 1-5/16 diameter axles. The Dana 60 I scavenged from the rear of a 67 GMC C20 is this way. /forums/images/icons/grin.gif
     
  8. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Using a little trial and error the 'quiz' answer is from 75-77 Chevy offered a 35 spline full floating D60 rear...answer 'B'

    News to me...

    Rene
     
  9. 70~K5

    70~K5 1/2 ton status

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    Just looked it up in my 1977 Chevorlet light duty truck service manual and it lists a 10.5" ring gear dana rear axle and a 9.75" ring gear rear axle. These manuals are year specifict so they must have had those axles in some light truck use in 1977. Bought this manual when I had a '77 K20. /forums/images/icons/wink.gif
     
  10. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Musta pre-dated the 14 bolt SF...

    Cool trivia, although I've never seen a D60 under a 75-77 yet. Now I'll have to keep my eyes open!

    Rene
     
  11. 70~K5

    70~K5 1/2 ton status

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    By the book the Dana 10.5" axle was a full floater. The only thing wrong with this book is they don't say which model of trucks would have what axle. And it covers all light trucks including the control forward stuff too.
     
  12. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Well the Dana 10.5" ring gear woulda been a D70...was the D60 ring gear 9.75" or 9.5"? I can never remember... /forums/images/icons/tongue.gif

    Rene
     
  13. 70~K5

    70~K5 1/2 ton status

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    I think both were full floaters they used the 10 and 12 bolts when they needed a semi floater. They also list the 14b ff in the book as well as the corp 12.25" (eaton) axle.
     
  14. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Yep, the Dana 10.5 (actually 10.54") is the 70 model axle and the Dana 60 is the 9.75" ring gear. /forums/images/icons/wink.gif
     
  15. 70~K5

    70~K5 1/2 ton status

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    In the sevice manual they only list them by ring gear size and weight rating when they have the same ring gear size.
     
  16. kennyw

    kennyw N9PHW Premium Member

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    You can also find Dana 60 rear axles in 1960-66 GMC 3/4 ton trucks (30 spline versions according to my 1963 GMC maintenence manual). It was the standard axle for the GMC while Chevy was using the Eaton. 63-66 GMC even has leaf springs but I think the spring width changed in 1973.
     
  17. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Yeah, I know as I have an '81 service manual and it shows the same thing. /forums/images/icons/wink.gif

    The ring gear sizes are as follows:

    D60...9.75"
    D70...10.54"
    14FF...10.5"
     
  18. Corey 78K5

    Corey 78K5 1 ton status

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    Wasn't the 10.5 (Dana 70) used primaily as a dully axel by GM?
     
  19. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Yes it was and still is.
     

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