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NP203 case/hub conversion

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by jkubsch2004, Apr 30, 2004.

  1. jkubsch2004

    jkubsch2004 Registered Member

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    i have a 78, silverado, with a NP203.i wont to make it p/t 4x4. i read alot of the posts about how to do that .i found them very help. but i dont know what to do about the hubs .i know thay need to be changed. but i cant seam to find a kit to do that . all the kits i've looked up just have lockers . i'm having trouble finding a full hub assembly. my old ones are shot . and if that's not enuff what brand should i go with . any help yall could give me would be grate. thanks
     
  2. dremu

    dremu Officious Thread Derailer Premium Member

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    Assuming you have a 1/2 ton or 3/4 ton truck, you'll have a Dana 44 front end.

    Locking manual hubs can be had from Warn (I recommend their Premium, #20990, about US$100 from Summit Racing @ summitracing.com... not cheapest but I'm sure they'll ship to you)...

    There's also Milemarker:

    http://www.milemarker.com/hub-application.html#chevy-gmc

    they have lots of different models, or Superwinch:

    http://www.superwinch.com/products/hubs/index.html

    I think you have "locker" (locking differential) confused with "locking hub". You *do* need a (manually) locking hub with the part-time kits.

    Hope this helps; feel free to email me offline if you want more specifics /forums/images/graemlins/smile.gif

    -- A
     
  3. southernspeed

    southernspeed 1/2 ton status GMOTM Winner

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    I use warn premiums in my '78. They're well made and work good too! /forums/images/graemlins/thumb.gif
     
  4. dremu

    dremu Officious Thread Derailer Premium Member

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    Just as a followup, John mailed me offline... I think he's actually referring to the brake hub, i.e. inside the rotor, and is confused (rightly so!) with the drive hub on the end. English is confusing enough -- and then add silly parts names into it, plus the fact that the nearest NAPA store is some thousands of miles away... /forums/images/graemlins/laugh.gif

    Anyway, I found some pictures of the various parts and hopefully that'll help us identify what he needs.

    -- A
     
  5. 84_Chevy_K10

    84_Chevy_K10 Banned

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    The, "brake hub" you're referring to is actually called a, "Bearing hub."
     
  6. dremu

    dremu Officious Thread Derailer Premium Member

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    *That*, thank you. I know to look for it under brake parts and it's the hub that the brake rotor mounts to, but I knew it's not part of the brake system proper.

    -- A
     
  7. jkubsch2004

    jkubsch2004 Registered Member

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    thanks for all the help on this. wish me luck in geting the parts . thanks agin
     
  8. Smitty

    Smitty 1/2 ton status

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    The 203 part-time kit from Mile Marker comes with the lock-out hubs. Grim did a great article in the product reviews about this kit. I've got the kit and can say it's pretty well made.

    How's your tour going? Spent a year in Iceland at a site called Hofn. One of the better remote tours... /forums/images/graemlins/smile.gif
     
  9. jkubsch2004

    jkubsch2004 Registered Member

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    not to bad , it's nice up hear , i'm just having hell finding the parts i need . i'm in kef
     
  10. Smitty

    Smitty 1/2 ton status

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    Might try Summit. #MMK-501 or #MMK-502
     

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