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drive shafts

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by shaggyk5, Mar 17, 2000.

  1. shaggyk5

    shaggyk5 1/2 ton status

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    ok, ive decided that SOMEDAY i am going to raise the k5 six inches with a suspension lift only. my question is about lengthening the drive shaft(s). do both need to be lengthened? is it smarter to lengthen them or just get new ones? i have to wait to get the length of the shafts till after i get the lift on right? thanx a lot!

    shaggyk5

    aint nuthin in the world like A heavy chevy!!
     
  2. Waxer

    Waxer 1/2 ton status Author

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    What I'd do is before the lift kit is installed, measure the distances between tcase yokes and axle yokes. Write them down, then after the kit is installed measure again. If there is any more than 1" of difference, I would definitely have the driveshafts "retubed". That is the least expensive way, but definitely not the worst way.
     
  3. OLDSTEEL

    OLDSTEEL 1/2 ton status

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    Has anyone put CV joints in to account for the new angle after the lift? If so how well does it work?
     
  4. Corey-88K5

    Corey-88K5 1/2 ton status

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    I CV'd my K5 after doing a shackle flip. but than again, I had no choice. I couldn't drive it over 5mph due to vibration with out a cv. I put the pinion 2-3deg BELOW inline. THis is because when powering around, the pinion will tilt up. That way its in perfect position when its driving.

    Corey
    88K5

    [​IMG]<font color=blue>Girls Like Guys In Bow Ties</font color=blue>
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  5. OLDSTEEL

    OLDSTEEL 1/2 ton status

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    How much did it cost for you to CV it and where did you have it done?
     
  6. BlueKnight

    BlueKnight 1/2 ton status

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    I did my 6" lift and had to lengthen my drive shafts. The vibration was too much so I had to convert to a Cv joint system . It cost me about 500.00 initally and they last about 6 to 8 months unless I realy romp on them.
     
  7. Zack

    Zack 1/2 ton status

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    Well with all this talk about driveshafts I am gonna wait on my sus. lift cause I can't afford new driveshafts now. Maybe I will be like DangerB and hack them fenders,, By the way has anyone seen them pics of his so called rig yet? IF so send them to me too or post them!!

    Zack carlson
    zcarlson@yahoo.com


    No I am still not done with my frame up resto!! Soon i swear!
     
  8. Blazer79

    Blazer79 1/2 ton status

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    The only way to combat ignorance is by asking.

    Can someone explain to me what a CV joint is? The U-joint is the one that looks like a cross, and I can find them on axles and stock driveshafts, right? So what's the diference with a CV-Joint?

    Thanks.

    <font color=purple>////////
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  9. BlueKnight

    BlueKnight 1/2 ton status

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    a CV Joint is basically two u joints in a special knuckle. It is deisgned to with stand steeper angles for longer periods of time than a standard u joint knuckle. Blazers have a shorter wheelbase than trucks even short bed trucks and the angles after you lift your beast are really steep. a CV joint can run in steeper situations.
     

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