Dismiss Notice

Welcome To CK5!

Registering is free and easy! Hope to see you on the forums soon.

Score a FREE t-shirt and membership sticker when you sign up for a Premium Membership and choose the recurring plan.

4" suspension/2" body vs 6" suspension

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by beater_k20, Feb 1, 2004.

  1. beater_k20

    beater_k20 Banned

    Joined:
    Dec 9, 2003
    Posts:
    10,276
    Likes Received:
    0
    Location:
    Elkhart, IN
    4\" suspension/2\" body vs 6\" suspension

    after seeing some spring rates, specifically the ones listed on Tuff Country's website, i see that 6" springs are going to be considerably stiffer than 4" springs of the same line and manufacturer. i was shown pictures of outlaw612's truck by another member, and i really like the looks of it, and it think it would serve my purpose well., however, i contemplated going with a 6" suspension, rather than the 4+2 setup he used. i'd also like to clear a 36" tire.

    i plan on using the truck mostly for trail bashing, and mud. so i'm assuming a softer spring would be better. plans are for a 10 bolt/14FF i have sitting in the garage, an SM465/205 combo, and powered by a L31 Vortec shortblock(carbed or TBI, undecided at this point). rear lift will be accomplished with a 2wd "front" hanger out back, and possibly an extended shackle. i'd like your honest opinions on which would better be suited to my needs, and why so. thanks in advance.
     
  2. Tweetysuarus

    Tweetysuarus 1/2 ton status

    Joined:
    May 25, 2002
    Posts:
    2,294
    Likes Received:
    0
    Location:
    Lynnhood,WA
    Re: 4\" suspension/2\" body vs 6\" suspension

    I run a 6" suspension and 2" body lift and love it! [​IMG] This is with 38's.
    Bill
     
  3. outlaw612

    outlaw612 1/2 ton status

    Joined:
    Feb 11, 2001
    Posts:
    2,342
    Likes Received:
    0
    Location:
    Springfield, Illinois
    Re: 4\" suspension/2\" body vs 6\" suspension

    I run 36" TSL's. With the 4" lift they rubbed. Since I installed the 2" BL Theyre fine and I have very minimal trimming. If you were will to hack the fenders, you wouldnt need the 2" BL.

    BTW, thanks for the compliments /forums/images/graemlins/thumb.gif
     
  4. Z3PR

    Z3PR Banned

    Joined:
    Mar 30, 2002
    Posts:
    19,217
    Likes Received:
    0
    Location:
    Everywhere
    Re: 4\" suspension/2\" body vs 6\" suspension

    I have 6" springs in the front with the ORD extended shackles that gives 6.5" of lift up front. Out back, I've got the ORD 4" shackle flip + 3" springs for a total of 7" lift in the rear. /forums/images/graemlins/deal.gif /forums/images/graemlins/waytogo.gif I'm thinking of getting the ORD 1" body lift with new poly mounts.
     
  5. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

    Joined:
    Jun 23, 2001
    Posts:
    10,452
    Likes Received:
    489
    Location:
    my garage, Henderson, NV
    Re: 4\" suspension/2\" body vs 6\" suspension

    i have a 4" springs and a 2" body lift on my suburban and i wish i had just gone with 6" springs. /forums/images/graemlins/frown.gif
     
  6. thatK30guy

    thatK30guy 1 ton status Premium Member

    Joined:
    Jan 12, 2001
    Posts:
    32,076
    Likes Received:
    55
    Location:
    .
    Re: 4\" suspension/2\" body vs 6\" suspension

    I would do the 6" springs that way if you decide you want a larger tire in the future, the body lift will be cheaper then. Do it once now and save the money later. /forums/images/graemlins/thinking.gif /forums/images/graemlins/thumb.gif
     
  7. bablazer73

    bablazer73 1/2 ton status

    Joined:
    Apr 4, 2000
    Posts:
    3,363
    Likes Received:
    0
    Location:
    upstate ny
    Re: 4\" suspension/2\" body vs 6\" suspension

    Are you agianst cutting fenders for clearance?? My other 76 had a 4" lift, 3/4 ton axels and I ran 40's with no body lift. I added longer front shackles, and got 5" front and after breaking a rear spring, went to 2" springs(and blocks) for 6". But that truck is long gone now.
     
  8. Paxx

    Paxx 1/2 ton status

    Joined:
    Feb 9, 2003
    Posts:
    1,405
    Likes Received:
    0
    Location:
    All Over Western Canada
    Re: 4\" suspension/2\" body vs 6\" suspension

    I'm in the same boat as you. I'd like to have about 6" of lift but I want to keep it flexy. I think that I am going to use 4" lift springs up front with a zero rate and if I need a bit more height I will get extended shackles.

    I'll do similar in the rear only with a shackle flip instead of the springs.

    Hope that helps some.
     
  9. beater_k20

    beater_k20 Banned

    Joined:
    Dec 9, 2003
    Posts:
    10,276
    Likes Received:
    0
    Location:
    Elkhart, IN
    Re: 4\" suspension/2\" body vs 6\" suspension

    are there any distinct advantages to the 6" suspension lift over the 4"? i understand the point of going 6" now, and add body later if i want bigger tires, but since i'm running a 10 bolt front, that's not going to happen anytime soon. i'm going to stay with a 35-36" tire. since the body isn't on the K10 frame right now, i can add a body lift without any extra work involved.

    paxx, i think you misread my post, unless you're responding to someone else. i am intending on running the stock rear springs no matter which way i go.
     
  10. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

    Joined:
    Mar 5, 2001
    Posts:
    15,684
    Likes Received:
    1,392
    Location:
    642 Days to BB2018
    Re: 4\" suspension/2\" body vs 6\" suspension

    4" + 2" Lift works fine for me......and flexes like mad! /forums/images/graemlins/peace.gif

    I'm actually running closer to 7" total lift now with the taller D60 and longer rear shackles.....but I'm also on 38.5's now too. I'd really like to pull about 1" back out of the lift somehow.

    The body lift is nice for creating clearance for the distributor on a BBC swap...it also gives you a bit more room for Rancho 9012 shocks out back (installed upright) without cutting holes through the floor. There are some nice little "bonuses" from body lift that you don't often hear about. /forums/images/graemlins/thumb.gif
     
  11. sled_dog

    sled_dog 1 ton status

    Joined:
    Sep 3, 2002
    Posts:
    16,870
    Likes Received:
    0
    Location:
    Austin, TX
    Re: 4\" suspension/2\" body vs 6\" suspension

    my burb is getting 1" body lift mainly for clearance in case I do tranny work or such things. All those spots on the K5 during motor swaps I wished I had 1 more damn inch.
     
  12. rjfguitar

    rjfguitar 3/4 ton status GMOTM Winner

    Joined:
    Aug 28, 2002
    Posts:
    9,097
    Likes Received:
    144
    Location:
    california
    Re: 4\" suspension/2\" body vs 6\" suspension

    I would run a 6" lift so that way you can always gain more lift later with a 3" body if you need it. If you are stuck on wanting 4" springs than I would use zero rates and extended shackles in the front and a shackle flip in the rear or 2" block.

    Like Greg said, there is a few advantages of a body lift but also your bumpers have to be lifted if looks are any concern.
     
  13. Paxx

    Paxx 1/2 ton status

    Joined:
    Feb 9, 2003
    Posts:
    1,405
    Likes Received:
    0
    Location:
    All Over Western Canada
    Re: 4\" suspension/2\" body vs 6\" suspension

    [ QUOTE ]
    I would run a 6" lift so that way you can always gain more lift later with a 3" body if you need it. If you are stuck on wanting 4" springs than I would use zero rates and extended shackles in the front and a shackle flip in the rear or 2" block.



    [/ QUOTE ]

    This is what I was trying to say. Another way to get your 6" suspension but to keep it flexy by using 4" springs.

    It seemed to me like the only thing keeping you from going 6" suspension was that the spring rate was too high. Hope that makes sense. /forums/images/graemlins/thumb.gif
     
  14. rjfguitar

    rjfguitar 3/4 ton status GMOTM Winner

    Joined:
    Aug 28, 2002
    Posts:
    9,097
    Likes Received:
    144
    Location:
    california
    Re: 4\" suspension/2\" body vs 6\" suspension

    I would still go 6" springs though because if you ever decided to go bigger then you could get another 1" or 2 out of the suspension. /forums/images/graemlins/dunno.gif

    For example...I might go with 39.5's one day but I need more lift to do it, I can add zero rates and extended shackles to my current springs and get enough lift, If I had 4" springs I would be maxed out already trying to make my current heigth. /forums/images/graemlins/doah.gif /forums/images/graemlins/dunno.gif
     
  15. Monster

    Monster Registered Member

    Joined:
    Jun 14, 2002
    Posts:
    68
    Likes Received:
    0
    Location:
    New Jersey Warren county
    Re: 4\" suspension/2\" body vs 6\" suspension

    If he uses 6"springs what does he have to do for his driveshafts?? Will he need to lengthen them?? Just wondering. /forums/images/graemlins/confused.gif
     
  16. beater_k20

    beater_k20 Banned

    Joined:
    Dec 9, 2003
    Posts:
    10,276
    Likes Received:
    0
    Location:
    Elkhart, IN
    Re: 4\" suspension/2\" body vs 6\" suspension

    well, so far i've been convinced of the 6" lift. does anybody happen to know the spring rate for the 6' BDS front springs?
     
  17. rjfguitar

    rjfguitar 3/4 ton status GMOTM Winner

    Joined:
    Aug 28, 2002
    Posts:
    9,097
    Likes Received:
    144
    Location:
    california
    Re: 4\" suspension/2\" body vs 6\" suspension

    [ QUOTE ]
    well, so far i've been convinced of the 6" lift. does anybody happen to know the spring rate for the 6' BDS front springs?

    [/ QUOTE ] Nice and soft, Far as I know they are the best riding spring on the market.

    You probably will need lengthened driveshafts but you might be able to get away without it, I have for a long time.
     
  18. beater_k20

    beater_k20 Banned

    Joined:
    Dec 9, 2003
    Posts:
    10,276
    Likes Received:
    0
    Location:
    Elkhart, IN
    Re: 4\" suspension/2\" body vs 6\" suspension

    i was planning on custom shafts anyways, since i have none to play with right now, and we have a good driveshaft shop here in town.
     
  19. rjfguitar

    rjfguitar 3/4 ton status GMOTM Winner

    Joined:
    Aug 28, 2002
    Posts:
    9,097
    Likes Received:
    144
    Location:
    california
    Re: 4\" suspension/2\" body vs 6\" suspension

    [ QUOTE ]
    i was planning on custom shafts anyways, since i have none to play with right now, and we have a good driveshaft shop here in town.

    [/ QUOTE ]
    Good I idea, I'm having custom shafts built tommorrow! /forums/images/graemlins/woot.gif /forums/images/graemlins/waytogo.gif
     

Share This Page