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Motorhome axel swap

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Oblin Goblin, Apr 5, 2001.

  1. Oblin Goblin

    Oblin Goblin 1/2 ton status

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    How hard would it be to swap the rear axel out of a motorhome built on a '78 Chevy van chassis? I assume this would be a 14 bolt. I would like to keep my stock 6 lug wheels. Is it possible to get somekind of adapter to put 6 lugs on a 14 bolt?
     
  2. pcorssmit

    pcorssmit 1/2 ton status

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    "Is it possible to get somekind of adapter to put 6 lugs on a 14 bolt?"

    Have you tried looking through TODAY'S active topics?

    Pete


    '83 K5, 350 TBI (ex 6.2), 700R4, NP208, Dana 60/14 bolt, 4.56s, Detroits, 3" lift, 15-39.5x15 TSLs
    '97 Dodge 2500 4x4 CC LB Sport, Cummins 5 spd
     
  3. CarolinaBogger

    CarolinaBogger Registered Member

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    Go back 4 to 6 pages on this message board and look for "8 lug to 6 lug adapters found!". This should help you out quite a bit.
     
  4. Cavalry

    Cavalry 1/2 ton status

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    Dont know which kind of motorhome axle you are looking at but on my Class C (van chassis type) the rear axle sure is a 14bolt but is the wide ones used in dually pickups.

    Luke
    84 K5
    [​IMG]
     
  5. Oblin Goblin

    Oblin Goblin 1/2 ton status

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    I guess i could switch to 8 lugs but then I'd have to convert the front. I've read the post on adapters but im still wondering how hard it would be to convert the front to 8 lug. How is a DRW motor home 14 blot different from the rest? It sounds like it'd at least be wider. What would be involved in narrowing it to fit under a Blazer?
     
  6. FastEddy

    FastEddy 1/2 ton status

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    on some chev dually vans I've had come through here for wrecking the rear diff was not a traditional 14 bolt, as it did not have the bolt on pinion carrier, much like a ford/dodge diff. also took a smaller u joint. the spring pads are different from a van also, wider set on the axle.
     
  7. Cavalry

    Cavalry 1/2 ton status

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    I think it would be cheaper for you to scrounge up a FF14bolt out of a 3/4 ton PU....than narrowing axles moving spring perches and probably shock mounts

    Luke
    84 K5
    [​IMG]
     
  8. pcorssmit

    pcorssmit 1/2 ton status

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    The SRW vans use a 3" wider rear axle than the PUs. It probably would be cheaper to just buy a 3/4 ton one, I've bought and located several for $100 or less.

    Converting the front 44 or 10 bolt to 8 lug involves new caliper brakets, hubs, bearings and lockouts (depending on which hubs are used), and rotors. I believe there is a fairly new feature on how to do this on the main page.

    Pete

    '83 K5, 350 TBI (ex 6.2), 700R4, NP208, Dana 60/14 bolt, 4.56s, Detroits, 3" lift, 15-39.5x15 TSLs
    '97 Dodge 2500 4x4 CC LB Sport, Cummins 5 spd
     
  9. Oblin Goblin

    Oblin Goblin 1/2 ton status

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    Thanks for the info. The reason I was wonder is because my parents have an old motor home they're just going to give away because it's in pretty rough shape. I've been trying to figure out what parts I might be able to use off of it and all I could think of was the rear end. I'm content with my Diesel and 700r4 so I really don't have much use for the engine and trans.
     
  10. ChevyCaGal

    ChevyCaGal 3/4 ton status

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    Why not instead of your parents just getting rid of the old motorhome you see if you can get a few hundred for it? Then you can use that cash to get some axles and rebuild them yourself? Or if you can't do it yourself for some reason hang on to that cash as a start of the axle rebuild fund? Might be worth a shot if you want to switch axles bad enough? [​IMG]

    "I love the sound rice burners make when ya run over them"
    Suck fumes Ford Boy!!
    I love my country, I fear my government.
     

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