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Driveshaft Length for 4" Lift - How long ear to ear???

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 1986Blazer, Aug 14, 2002.

  1. 1986Blazer

    1986Blazer 1/2 ton status

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    Driveshaft Length for 4\" Lift - How long ear to ear???

    I just lifted my K5 4" and the driveshaft needs to be lengthened. I found another driveshaft from a fellow K5'er and it is 36" ear to ear. He says this will not fit but there is about 5 extra inches of shaft sticking out of my TC from my old driveshaft.

    Any idea if this will work???? I want the driveshaft anyways incase I go higher but would like to know the best length for my 4" lift!

    Chris
     
  2. jekbrown

    jekbrown I am CK5 Premium Member GMOTM Winner Author

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    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    my rear shaft is long enough to accomodate 5" of lift in the rear... and I had the th700r4/np208 combo too. I'll measure for ya when I get home...

    J
     
  3. SkulzNBonz

    SkulzNBonz 1/2 ton status

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    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    That's really strange. I too have an '86, which I just lifted four inches a month and a half ago, and have no probs w/ the current drive shaft lengths. Did you drop the t-case 1"? It won't add a lot, but a little. I would say my slip yoke sticks out maybe 2 inches further than before. I think the actual part of the slip yoke that hooks to the output shaft is only 6" long, though

    John /forums/images/icons/confused.gif
     
  4. 1986Blazer

    1986Blazer 1/2 ton status

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    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    Thanks!!!!!!!!!!

    I'll be waiting to hear from you!

    Chris
     
  5. 1986Blazer

    1986Blazer 1/2 ton status

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    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    That is wierd. Go and measure your driveshaft - ear to ear - and let me know how long your is!!!! Mine, like I said, is 31" ear to ear.

    This may be interesting to see.

    I got to go and paint my boat!!! I'll be back tonight! Thanks for anyone that gets me the measurements!

    Chris
     
  6. SkulzNBonz

    SkulzNBonz 1/2 ton status

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    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    Mine is also 31". Granted, I did a shackle flip and my pinion aims almost directly at my t-case (great for a c-v driveline hint hint Jesse /forums/images/icons/laugh.gif). How did you lift the rear of the truck?

    John
     
  7. 1986Blazer

    1986Blazer 1/2 ton status

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    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    I used new springs - Rough Country.

    I will try a new and longer driveshaft - then later, I'll change the driveline angle once I get a new set of spring perches.

    Chris
     
  8. cityfarmer2

    cityfarmer2 Guest

    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    hey chris where you getting perch's I am doing a 14FF swap and have been looking for them.
     
  9. SkulzNBonz

    SkulzNBonz 1/2 ton status

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    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    Rockjunkies (Rodney), out of Oklahoma makes custom 14 bolt spring perches I think, or at least he did. Send him a PM.

    John
     
  10. Blue85

    Blue85 Troll Premium Member

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    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    How do the rear wheels line up in the rear wheel openings?
     
  11. 1986Blazer

    1986Blazer 1/2 ton status

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    Re: Driveshaft Length for 4\" Lift - How long ear to ear???

    They fit perfectly......
     

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