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1 ton into half ton

Discussion in 'Axles + Brakes' started by sharky1, Oct 28, 2012.

  1. sharky1

    sharky1 Newbie

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    I just stripped a 90 gmc 3500 4x4 reg cab long bed 454 pick up and it had t400, 373 gears with factory locker and full floater rear end. I have a 93 1500 4x4 350 5 speed with 342 gears extended cab short bed and want to put the 373 front and rear end in my half ton. My questions are
    1… what do I need to make the 1 ton ifs front end work in the half ton( spindles, ball joints, tie rod ends,etc)?
    2… will the 1 ton front end bolt in with out fabing?
    3… will I need to have a new rear drive shaft made or will 1 of the 2 fit (long bed reg cab 1 ton steel drive shaft or half ton extended cab short bed aluminum drive shaft)?

    I think that's all my questions as of right now. Any help would be great. Thanx in advance
     
  2. LoudnLifted88

    LoudnLifted88 Small Block Grim Reaper

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    from what ive been told before the 1 ton ifs is a 9.25? ring gear and the half ton is a 8.25 so the front ends are completely different and wont bolt into each others place
     
  3. sharky1

    sharky1 Newbie

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    Thanx for the info on that. What If I had the mounts from the 1 ton front end or will it still not fit?
     
  4. Horns

    Horns Tiff's Wedding Crasher

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    You would need to do some fabrication because the mounting locations for the bigger front diff are different.

    -Sent from my twin turbo Desire using diesel fuel.-
     
  5. Wagonbacker9

    Wagonbacker9 One string banjo. Maybe 2

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    Rear end will bolt in with a conversion u-joint.

    Front end will basically require you to refabricate everything. Its not that it can't be done, its just that for the work, you could swap in a solid axle instead so nobody bothers doing it.
     
  6. 96-1500

    96-1500 Bluenoser

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    x2. Researched and measured this one time. Everything is the same only different if you get what I mean. I'd either go SAS or if you want to save some money, sell the K3500 stuff and pick up a 6-bolt hub 14 bolt rear out of a 1500HD/2500LD. They seem to be getting a little hard to find but they are around. Diesel K1500s are good parts trucks to find them in.
    Good luck.
     
  7. sharky1

    sharky1 Newbie

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    Thanx fellas! So anyone interested in some parts? Sell or trade lol
     
  8. JonZ71

    JonZ71 Right Meow

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    i'd love to have the rear axle.
     
  9. sharky1

    sharky1 Newbie

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    Id love to sell it or trade it to you
     
  10. gunz

    gunz I'm Awesome

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    You would be better off to swap your cab onto the 3500 frame, unfortunately it would still be a half ton by the VIN.
     

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