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cheap long slip drive shaft

Discussion in 'The Garage' started by clstolten, Nov 3, 2006.

  1. clstolten

    clstolten 1/2 ton status

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    So I pulled a drive shaft from a K20 longbed at the junkyard today. It was the type with the carrier bearing. There is 7.5" of splines on this thing. Is this the best I can do without going custom$$$$$$$. It was only $17 and after I remove about 1" of the tube, it will be the perfect length.

    P1010282.jpg
     
  2. OrangeCrushK10

    OrangeCrushK10 1/2 ton status

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    Nice.

    I need a band saw so I can cut tubes level and fab my own driveshafts.
     
  3. clstolten

    clstolten 1/2 ton status

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    I have never shortened a drive shaft but it was easy enough to remove the one end. I don't have a band saw, just a chop saw. The end for the tube is a tight fit and has about an inch insertion depth??? This shaft is for the front and won't see high speeds so I'm not too concerned.
     
  4. OrangeCrushK10

    OrangeCrushK10 1/2 ton status

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    Better than me. I just have a torch and my hand is nowhere near steady enough to make a perfectly straight cut.
     
  5. MNorby

    MNorby 3/4 ton status Premium Member GMOTM Winner

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    same setup I was running rear. Just pop off the fixed section of shaft and the carrier bearing and shorten to fit. I am gonna see if a dodge cummins 1350 CV will fit into the tube for a long slip junkyard CV.
     
  6. diesel4me

    diesel4me 1 ton status Premium Member

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    cut the shaft...

    I've used a large pipe cutter to cut driveshafts down in length--maybe butcher,but it worked fine for me!..I've also just used a bench grinder to "erase" the weld where its welded to the yoke,and then you can just tap off the yoke with a hammer,if your just swapping a yoke..

    I bring my driveshafts to a machine shop though,if its on a street driven truck --I had a home brewed rear shaft in my 72 Chevelle wagon that sat on a 69 Suburban 4x4 chassis,and it vibrated quite a bit at certain speeds..if its just a plow truck front shaft or something,then I'll attempt to do it myself..:crazy:
     
  7. garlicbreath

    garlicbreath 1/2 ton status

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    Thats exactly what I have in the front of my 71 blazer with 52's
    Works great.
     
  8. goldwing2000

    goldwing2000 Guest

    Wouldn't that have been a C20? A 4x4 wouldn't have a two-piece shaft, would it?
     
  9. pvfjr

    pvfjr 1/2 ton status

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    Well you can find them in 4x4 crew cabs at least. I haven't seen a K20 with one though.
     
  10. muddermilitia

    muddermilitia ThatTrazerGuy GMOTM Winner

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    My brother just bought a K-30 dually regcab, longbed, rolling chassis and it has a two piece rear shaft
     
  11. clstolten

    clstolten 1/2 ton status

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    It had a dana 44 8 lug up front. It was a "camper special".
     
  12. rhino105amx

    rhino105amx 1/2 ton status

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    My 78 Burb with a 4 speed/205 had a two piece driveshaft with a carrier bearing.
     
  13. goldwing2000

    goldwing2000 Guest

    That's longer than a k-20 pickup, isn't it?
     
  14. RedBrute

    RedBrute 1/2 ton status

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    Pardon the newbee question but, what section of the driveshaft is pictured and what ujoints would fit? I plan on a 52" spring swap and this may be the answer to the driveshaft length problem.
     
  15. pvfjr

    pvfjr 1/2 ton status

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    It's the section with the long slip, and would take 1350 joints.
     
  16. AussieK5

    AussieK5 1/2 ton status

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    I have a 79 K20 with a 2 piece sitting in the driveway, my last also had a 2 piece.
     
  17. clstolten

    clstolten 1/2 ton status

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    RedBrute,
    The section in the picture is from the t case to the carrier bearing. The yoke with the internal splines was attached to the second shaft going to the rear axle. The shaft has 1350 sized yokes. I used a 1350 to 1310 yoke to go to the front axle(d44), and a 1350 to S44 to go to the custom flange I made from the stock CV. No more CV for me, but the modified flange allows for high operating angles. The combo joints are a little pricey. About $30 each at Napa.
     
  18. bigbluesuburban

    bigbluesuburban 1/2 ton status

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    I have found that a pipe cutter is the best tool for cutting drivelines straight and true. I usually clean off all the dirt and grime and then have at it. The cut is perpendicular to the centerline of the shaft and is already a little beveled for excellent welding.
     
  19. RedBrute

    RedBrute 1/2 ton status

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    Thanks for the info. I thought combo joints would be required...the kicker is I went to the J/Y yesterday. Had I known this I'd be hackin' a shaft right now!
     
  20. garlicbreath

    garlicbreath 1/2 ton status

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    I just bought mine new from a local heavy truck sriveshaft shop. I think it was 60 and he turned it down to fit my current shaft.
     

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