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conver 2wd to 4wd

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by chevycanada, Aug 11, 2002.

  1. chevycanada

    chevycanada Registered Member

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    i am thinking about buying a 2wd pickup and converting swapping my 4wd stuff from my jimmy onto it. are the frames between a 2wd and a 4wd basically the same or will i have to do some major mods?
    any info would help alot
    thanks
     
  2. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Frames are different.

    To make the swap easier for you, just swap the bodies over to the other frames.

    Sell the 2wd truck when you are done to make up for some money. /forums/images/icons/wink.gif
     
  3. m j

    m j 1/2 ton status

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    i dunno what is different on the frames that Wes is thinking of
    but it is easy to convert to 4x4 you just need the engine crossmember
    I paid $300 for a c30 frame and all the crossmembers and spring hangers I need off of several different frames to do mine
    I used the newest variations from a 1/2 or 3/4 ton that I could find as they are more crack resistant
     
  4. chevycanada

    chevycanada Registered Member

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    i just need the frame and cab
    i have all the hangers and drive train for the 4x4
    where are you in BC?
     
  5. m j

    m j 1/2 ton status

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    yup, now in Chiliwack
    have friends in Union and Fanny bays in your neck of the woods
     
  6. Sandman

    Sandman 3/4 ton status Author

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    We did this on a truck once and put a body lift on it to make certain that the floor would clear the transfercase. The floor pan in the 2x4 was much shallower.
     
  7. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Like m j said, you can transfer the hangers and brackets to the 2wd frame, but you will be doing A LOT of drilling for new holes to bolt the brackets to the frame.

    The 2 and 4wd frames differ in the whole thing. The long side rails are completely different between the two.

    Many crossmembers are different as are the spring hanger brackets.

    Unless you don't mind drilling all these holes to make them fit, I would rather get an original 4wd frame and be done with it faster than you can convert it by drilling the 2wd frame.
     
  8. m j

    m j 1/2 ton status

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    when you factor in all the cracks in a 4x4 frame it doesnt seen to bad to start with an uncracked 2x
     
  9. thatK30guy

    thatK30guy 1 ton status Premium Member

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    But there is gonna be a LOT of measuring, drilling, etc. to get the brackets and hangers bolt right in. Can't afford to be off by a few inches unless you don't care if the truck dog-tracks. /forums/images/icons/wink.gif
     
  10. m j

    m j 1/2 ton status

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    well, mine was all well within spec on the 4 wheel alignment
     
  11. thatK30guy

    thatK30guy 1 ton status Premium Member

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    You must have taken the time to do the job properly and correctly.

    Still too much time to drill and measure for me. /forums/images/icons/tongue.gif
     
  12. 72THING

    72THING 1/2 ton status

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    It's definitely easier to start with a 4x4. My dad and I converted my truck and it was a major pain, but well worth the effort. My conversion was even harder because we went from 4 wheel coil spring suspension to leaves all around. But there's nothing like showing somebody your truck and then saying it used to be 2WD. They're usually pretty impressed.

    Will
     

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