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10b...28spline insides in a 30spline?

Discussion in 'The Garage' started by muddybuddy, Dec 12, 2005.

  1. muddybuddy

    muddybuddy 3/4 ton status

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    hey there, ive got all the gears spiders and carrier from a 28spline 10b. will they work in the newer 30 spline 10bolts? im pretty sure they will, since i have a new in box carrier and it says its for 28/30 spline. ??
     
  2. 6.2puller

    6.2puller 1/2 ton status

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    You can put 30s in a 28 so I dont see why you can't go the other way.
     
  3. clarkjw24

    clarkjw24 1/2 ton status GMOTM Winner

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    The 10 bolt housings are the same. So as long as you use a 28 spline carrier, side gears, spiders and your 28 spline shafts you should be fine. I took the 28s out of my 10 bolt and replaced it all with 30 spline stuff.
     
  4. muddybuddy

    muddybuddy 3/4 ton status

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    weird, the new carrier that i have in the box,says on the outside that wills for 28/30 spline 10b's????
     
  5. clarkjw24

    clarkjw24 1/2 ton status GMOTM Winner

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    When I put the 30spline carrier in my truck I found out that the carrier bearings are larger than the 28 splines.
     
  6. muddybuddy

    muddybuddy 3/4 ton status

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    so then in order to run the carrier the 28 shafts would be needed
     
  7. 6.2puller

    6.2puller 1/2 ton status

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    It has been a few years but I thought I just swapped side gears and spiders then the 30 spline shafts fit in the 28 spline carrier/housing. :confused:
     
  8. 6.2Blazer

    6.2Blazer 1/2 ton status

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    My understanding was that you could not put 30-spline side gears into a 28-spline carrier (though they fit) because the area that the shafts slide into the carrier were not big enough for the larger 30-spline shafts to slide in to.........hence the need for bigger carrier bearings. If you had a 30-spline carrier than I would guess it could be converted to 28-spline.

    If you are swapping out entire carrier assemblies then it doesn't matter as long as you have the right carrier bearings, and obviously the correct shafts.
     
  9. SkulzNBonz

    SkulzNBonz 1/2 ton status

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    A 28 spline carrier WILL NOT work with 30 spline axles. Been there, tried that.

    John
     
  10. 6.2puller

    6.2puller 1/2 ton status

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    Your right. I had to hog out the inside with the lathe by about .050" or so to get the larger shaft through. Like I said it has been a few years. ( about 8 I think)
     

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