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Lifts that dont ride like crap?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Cavalry, Mar 17, 2001.

  1. Cavalry

    Cavalry 1/2 ton status

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    Location:
    upstate NY(although I cant figure out why)
    I did a lift on a mid 80's shortbed (rancho 4") Thought it rode like absolute crap afterwards. I realize that proper shock selection is improtant (truck had R5000's so that was half the problem) I am looking for a 2"-4" lift that rides and handles like factory, and can take a little weight when I pull a trailer or have my plow on (rare for both)

    Luke
    84 K5
    [​IMG]
     
  2. taterblazer

    taterblazer 1/2 ton status

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    It's called a body lift..
     
  3. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    A front lift of 2-4" should not hurt and may help since it changes the negative arch front to a small positive. BDS and Tough Country both make soft, flexy front springs. For the back, the ORD shackle flip will actually make it ride a bit better and give you more flex plus a 2.5 or 4" rear lift with the stock springs so load capability is not dramatically affected. Pretty much a win/win I think. That's exactly what I plan on using...

    Bad Dog

    85 K30 CUCV, 350 TBI, TH400, NP205, D60/C14, 4.56
    Coming soon: 4" lift, 40" tires, massive cutting, shorter wb and rear overhang.
     
  4. 90K5

    90K5 1/2 ton status

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    I have a Tuff Country lift on mine and it rides pretty good.

    90K5

    See my truck at <A target="_blank" HREF=http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502>http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502</A>
     
  5. wayne

    wayne 3/4 ton status

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    I'm planning a BDS 4 inch front with a shackel flip in the rear. I will put the rear blocks in first that come with the kit because I won't have the extra money to do the flip. Alot of people said the BDS kit rides real nice and with the flip it should ride real nice. Also don't forget that tires and shocks have alot to do with ride quality too.

    <A target="_blank" HREF=http://jamonline.homestead.com/fromthegroundupK54x4/89Jimmy.html>http://jamonline.homestead.com/fromthegroundupK54x4/89Jimmy.html</A>
    <font color=blue>Happy Trails[​IMG]</font color=blue>
    <font color=blue>Wayne</font color=blue>
     
  6. Cavalry

    Cavalry 1/2 ton status

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    Location:
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    All of my springs are thouroughly trashed so a body lift wont do too much good (never really liked them either anyway)

    Luke
    84 K5
    [​IMG]
     
  7. my 2.5 inch lift rode real nice- better then stock. i recently installed a 4 inch and have to say it rides worse. it has some bumpsteer and is bouncier. but it flexes more and clears the tires better. i don't mind the trade off. 2.5" and 33s is a nice ride and looks great too.

    78, 350/350/203, 3/4 ton, 4" lift, 35" BFGs
    <A target="_blank" HREF=http://bluebeast.coloradok5.com/>http://bluebeast.coloradok5.com/</A>
     
  8. k5king

    k5king 1/2 ton status

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    well i'd have to say that national spring's are pretty good too,,i've gotten to ride in a coupla truck's with them and they don't seem too bad,,,mine on the other hand is an 8" superlift,,,i already know it will be like riding in a tank,,but hey it's gotta be better than the track's i ride around on all day[​IMG] i don't think anyone makes a lift that big that will be soft.. if i woulda known better at the time i would have done the shackel flip on a set of 4" spring's...

    ANYBODY LOSE THEIR JEEP????????[​IMG]
    I JUST FOUND ONE UNDER MY BLAZER!!!![​IMG]
    [​IMG][​IMG]
     
  9. muddin4fun

    muddin4fun 3/4 ton status

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    I heard that you can over tighten the spring/shakels and that's what makes it ride rough. Is this true?

    [​IMG]

    <A target="_blank" HREF=http://muddin4fun.coloradok5.com>http://muddin4fun.coloradok5.com</A>
     
  10. Cavalry

    Cavalry 1/2 ton status

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    If its binding it sure cant help any. A general rule of thumb (if you arent using a torque wrench) is to tighten enough to lock the washer but loose enough to still spin the bolt on the other side

    Luke
    84 K5
    [​IMG]
     
  11. Donovan

    Donovan 1/2 ton status

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    The best riding springs are going to be a spring that is longer than a stock one. What I mean is the shackle angle is very important. The more straight up and down the worst it will ride. The more it is kicked to the back the better it will ride. That is assuming that you have a positive arch spring. Look at my web page and you can see the longer shackles and they mount at about 45 degrees to the back. http://www.rustbucket.coloradok5.com
    Bigger is Better
     
  12. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Cool, I never thought about that but I guess I can see why it would work. If the shackle is vertical, the forces caused by the axle moving closer to the frame will be directed straight into the frame. Only the dearching of the spring will cause the shackle to move past it’s vertical position. When the shackle is already angled to the back, in the direction of spring extension, then forces caused by the axle moving toward the frame will be converted through leverage to sort of "stretch" the spring out effectively reducing it's spring rate. In the other direction, the forces of the axle moving away from the frame will be directed into the increased arching of spring rather than simply pulling straight across the shackle (which of course is not going to stretch).

    I like it, make the existing forces work for you through leverage.

    So, let me see, you took 84 Cherokee main leafs, an add-a-leaf, and a 77 Wagoneer main stack to build your front springs. I guess the width and pin location is already about right for the Chevy? Did you make those shackles? Does that extra hole have a purpose?

    Those spring rockers look interesting too. Simple concept, should be easy enough to make.

    Any down sides to the longer springs OR the spring rockers? I guess it reduces the load carrying ability but off hand I don’t see anything else. I’m tired and I may have missed something but, it looks like I have just found another trick for my project. Thanks…

    Nice ride.


    Bad Dog

    85 K30 CUCV, 350 TBI, TH400, NP205, D60/C14, 4.56
    Coming soon: 4" lift, 40" tires, massive cutting, shorter wb and rear overhang.
     
  13. zach78k5

    zach78k5 1/2 ton status

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    i have a rancho 4 with just road shocks, it rides great. i drive from san jose to tahoe all the time and it is pretty smooth.
     
  14. Donovan

    Donovan 1/2 ton status

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    No I don't see any side effects to the longer front springs at all. They are 23" from the front spring bolt to the center pin. Stock chevy is 23.5". So that is okay. The shackles are made by me out of 3/8" plate. The extra hole will be for a brace like the Hill Shackles have. The bushing in the cherokee springs are a metric size. The bolts was 14 mm so what I did is drill the bushing out .011" to 9/16" size. This is now 9/16" front and back. These shackles are 6.75" long but they need to be a little longer because the hit the frame but it is not that bad. I will probably leave them the way they are. The measurement from the bumpstop to the top of the axle is 12.5" which is about 4" lift. If you need the measurements on the shackle let me know and I will make you a drawing of them. If you have any question let me know.

    Donovan
    <A target="_blank" HREF=http://www.rustbucket.coloradok5.com>http://www.rustbucket.coloradok5.com</A>
    Bigger is Better
     
  15. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    On the shackles, thanks! I don't need a drawing, just the hole to hole. Is the 6.75 you mentioned hole to hole? You think 0.5" longer would fix the frame clearance problem?

    Also, moving the axle forward a bit is one of the things I wanted to do anyway so 0.5 shorter is 0.5 in the right direction. I was planning on using BDS or TC 4" lift. I wonder if I could get them to provide a longer main leaf? If so, wonder what it would cost? I think I'll call their tech line...

    Bad Dog

    85 K30 CUCV, 350 TBI, TH400, NP205, D60/C14, 4.56
    Coming soon: 4" lift, 40" tires, massive cutting, shorter wb and rear overhang.
     
  16. Donovan

    Donovan 1/2 ton status

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    Yes it is 6.75 from center to center. I was think about making 7.25" long ones. So you are right on the money.

    Donovan
    <A target="_blank" HREF=http://www.rustbucket.coloradok5.com>http://www.rustbucket.coloradok5.com</A>
    Bigger is Better
     
  17. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    What about those spring rockers? How much difference (good/bad) have they made? Looks like a simple concept. Basically make a hinge out of really strong stuff with the pin running parallel to the spring, bolt the bottom to the axle using short u-bolts, and the top to the normal spring plate using bolts/studs. Do you have a better picture(s) of them? It would be nice to machine some straps (like on some u-joints) to replace the u-bolts and then use studs in the hinge with nuts on the straps so that the lower plate would not need to be so wide to clear the u-bolt nuts. However, the design would have to be right so it did not create a hang point problem like spring under setups tend to have.

    I guess the thickness would work more pretty much like a block which could cause additional axle wrap but the whole thing should not be over 1-1.5" tall so it should be ok. I don't know if I would trust those things on the street but it might be really cool on a dedicated rock ride...


    Bad Dog

    85 K30 CUCV, 350 TBI, TH400, NP205, D60/C14, 4.56
    Coming soon: 4" lift, 40" tires, massive cutting, shorter wb and rear overhang.
     
  18. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Oops! Sorry man, I got carried away. Didn't mean to hijack your thread. Donovan, I'm gonna start a new thread called “custom springs setups” so that we can continue to discuss this. Hope you don't mind, this sounds like a good idea and I've never seen, thought, or discussed this with anyone before so I thought it might be worth putting on the board...

    Bad Dog

    85 K30 CUCV, 350 TBI, TH400, NP205, D60/C14, 4.56
    Coming soon: 4" lift, 40" tires, massive cutting, shorter wb and rear overhang.
     

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