difference between 28 and 31 spline limited slip

Discussion in 'Drivetrain Tech' started by edgerider2002, Jun 29, 2012.

  1. edgerider2002

    edgerider2002 professional drinker

    pretty much the answer im looking for is if they are compatible or not?
  2. Ranger Forum Sign Up!

    Join RangerForum.com Today - It's Totally Free!

    Are you a Ford Ranger fan? If so we invite you to join our community and see what it has to offer. Our site is specifically designed for you and it's a great place for Ford Ranger Fans to meet online.
    Once you join you'll be able to post messages, upload pictures of your Ford, and have a great time with other Ranger fans. Whether your an old timer or just bought your Ford you'll find that Ranger Forum is a great community to join. Best of all it's totally free!

    Join RnagerForum.com Today! JOIN FOR FREE

  3. djfllmn

    djfllmn ^^^ I am Mr. Clean!

  4. OP

    edgerider2002 professional drinker

    well **** me sideways
  5. pooleo

    pooleo New Member

    I think maybe just the planetary gears are different. The ring and pinion will be the same. So, the question is, is the carrier the same from 28 to 31?
  6. Brinker88

    Brinker88 Black sheep o' the family

    Lol you guys... The reasong they call them 31 and 28 spline axles is because of the axleshafts being different splines. Carriers ARE the same. At least the open carriers are.
    Last edited: Jun 29, 2012
  7. OP

    edgerider2002 professional drinker

    So still a negative?
  8. pooleo

    pooleo New Member

    You should be able to use your spider gears into the 31 spline carrier. I did not notice a difference in the spiders when I replaced my open with an L'S
  9. OP

    edgerider2002 professional drinker

    Okay another problem. I'm still learning all the axle parts lol
  10. Brinker88

    Brinker88 Black sheep o' the family

    Spider gears ARE different. That's what has the splines on that the axle shaft slides into.
  11. pooleo

    pooleo New Member

    yeah yeah I know that. What Im saying is, if the carriers are the same, 28 spline spiders would fit in the 31 spline carrier. Im not 100% on open and L/S carriers tho. If the spiders are the same.

    He could buy a 31 spline L/S (carrier with spiders, clutches and spring) dissasemble. Install his 28 spline spiders and have L/S. (as long as open to L/S spiders are the same)
  12. OP

    edgerider2002 professional drinker

    Ya that's to much work for me lol
  13. Brinker88

    Brinker88 Black sheep o' the family

    Definitely. You'd be better off going to a JY and finding a compete L/S axle and swapping it in.
  14. Hards 02

    Hards 02 New Member

    I haven`t found an easy or straight answer yet .. I`ve got a 02 ranger 4.0 auto 4x4 it`s geared 4:10 open with drum brakes and a 01 explorer with 4.0 auto 4x4 geared 3:73 with disc brakes .Do these both have 31 spline axles ? I want to change them both to limited slip . I keep getting asked what spline count do I have ,I found 1 site that showed later model years with the 4.0 have 31 spline . How can I find out without opening up the rearends ?
  15. Scrambler82

    Scrambler82 Old Guy User

    The Ex may have the LS already.
    The axle housing from the Ex will fit the ranger, with minor mods, but don't fool around with the spider gears, not really worth the trouble.
    For the time and money, swap in an Ex axle housing and get 31 spline axles and a LS.

    I have a 31 spline LS for sale if you need one.

Share This Page