4" Spring lift vs 6" spring lift...

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  • RED-85-Z51
    258 I6
    • Feb 02, 2009
    • 391

    4" Spring lift vs 6" spring lift...

    on a late Grand Wagoneer, I know when you go with a 4" spring lift you have more to do than simply bolt on 4 new springs and go with it, but what all those "extra" things are...I dont know.

    The ones Im aware of are longer brake hoses between the axels and chassis.

    Longer shocks, front and rear.

    Dropped pitman arm.

    What else?

    Also, is it any more involved to install a 6" spring only lift instead of a 4" lift?

    Also, what can you do to the things the springs mount to front and rear if your originals look kinda rough? Are there longer versions for the front and rear to get a little more lift?
    1989 Jeep Grand Wagoneer SOLD

    1998 Ram 1500
    5.9 Magnum
    4 speed auto
    Quad Cab

    1985 Corvette Z51
    350 Tuned Port Injection
    *restoring now*

    1976 Corvette L48 Stingray
    -restoring-

    1989 Cadillac Fleetwood Sedan
    4.5 Liter V8
    all Options
  • billyrb
    BJ's Off-Road
    • Aug 15, 2001
    • 10032

    #2
    instructions:
    BJ's Off-Road
    [email protected]
    Your source for '63-'91 FSJ Parts

    Comment

    • mattmopar440
      AMC 4 OH! 1
      • May 17, 2007
      • 4092

      #3
      the 4" kit from Bjs come with longer lines and shocks only things you need are a DP and thats optional on a 4" sway bar disconnects are recommend and it you have a trackbar you'll need the kit For that
      87' Grand Wagoneer
      401/727/229, Currently:RUNNING
      84 J10/20 hybrid 258/727/208 Daily Driver
      80' J10 4BT/AX-15/208
      74' J10 Go Grabber Green Sold
      Originally posted by Heavy_Metal_Thunder_81
      Inferior Chevy

      Comment

      • RED-85-Z51
        258 I6
        • Feb 02, 2009
        • 391

        #4
        Originally posted by mattmopar440
        the 4" kit from Bjs come with longer lines and shocks only things you need are a DP and thats optional on a 4" sway bar disconnects are recommend and it you have a trackbar you'll need the kit For that
        I think the swaybar is that long bar that runs under the engine and is connected to the frame or whatever, with little like shackles? I think there are supposed to be bushings on them, I dont have bushings though.

        Trackbar...no idea what that is..time to google.
        1989 Jeep Grand Wagoneer SOLD

        1998 Ram 1500
        5.9 Magnum
        4 speed auto
        Quad Cab

        1985 Corvette Z51
        350 Tuned Port Injection
        *restoring now*

        1976 Corvette L48 Stingray
        -restoring-

        1989 Cadillac Fleetwood Sedan
        4.5 Liter V8
        all Options

        Comment

        • RED-85-Z51
          258 I6
          • Feb 02, 2009
          • 391

          #5
          1989 Jeep Grand Wagoneer SOLD

          1998 Ram 1500
          5.9 Magnum
          4 speed auto
          Quad Cab

          1985 Corvette Z51
          350 Tuned Port Injection
          *restoring now*

          1976 Corvette L48 Stingray
          -restoring-

          1989 Cadillac Fleetwood Sedan
          4.5 Liter V8
          all Options

          Comment

          • mattmopar440
            AMC 4 OH! 1
            • May 17, 2007
            • 4092

            #6
            Yes on the first

            Track bar is what run from axle up to the frame help prevent body roll and wheel hop in the wet or at least in my case
            I notice a big difference with the rear T-bar off with my tires in the rain
            87' Grand Wagoneer
            401/727/229, Currently:RUNNING
            84 J10/20 hybrid 258/727/208 Daily Driver
            80' J10 4BT/AX-15/208
            74' J10 Go Grabber Green Sold
            Originally posted by Heavy_Metal_Thunder_81
            Inferior Chevy

            Comment

            • RED-85-Z51
              258 I6
              • Feb 02, 2009
              • 391

              #7
              Im used to a 5 Link Independent Rear suspension, and unequal length Dual A-arm all aluminum, fiberglass mono-leaf spring Independent Front suspension...

              Yet all this stuff seems more complicated...haha

              ------
              So a 6" lift kit, containing lines and Pro-Comp shocks (too poor to opt for ranchos), sway bar disconnect kit, and Dual Rancho steering stabilizer, and lastly a Track bar lowering kit, will net me a total of 6" lift from my current stock height?

              I should be able to run 33's....
              1989 Jeep Grand Wagoneer SOLD

              1998 Ram 1500
              5.9 Magnum
              4 speed auto
              Quad Cab

              1985 Corvette Z51
              350 Tuned Port Injection
              *restoring now*

              1976 Corvette L48 Stingray
              -restoring-

              1989 Cadillac Fleetwood Sedan
              4.5 Liter V8
              all Options

              Comment

              • wickedwagon767
                304 AMC
                • Dec 26, 2005
                • 1932

                #8
                yes, with 6" of lift on a Wagoneer you will be able to run 33x12.50 tires. Something you will have to consider with the 6" kit more than the 4" kit is driveshaft length. There might be some binding in the u-joints,but you won't know for sure until the lift is installed. A driveshaft shop around here charges $150 to lengthen a driveshaft

                Comment

                • RED-85-Z51
                  258 I6
                  • Feb 02, 2009
                  • 391

                  #9
                  Originally posted by wickedwagon767
                  yes, with 6" of lift on a Wagoneer you will be able to run 33x12.50 tires. Something you will have to consider with the 6" kit more than the 4" kit is driveshaft length. There might be some binding in the u-joints,but you won't know for sure until the lift is installed. A driveshaft shop around here charges $150 to lengthen a driveshaft
                  Front driveshaft or rear? Both?

                  Id think it would be more severe on the front shaft, due to its length.
                  1989 Jeep Grand Wagoneer SOLD

                  1998 Ram 1500
                  5.9 Magnum
                  4 speed auto
                  Quad Cab

                  1985 Corvette Z51
                  350 Tuned Port Injection
                  *restoring now*

                  1976 Corvette L48 Stingray
                  -restoring-

                  1989 Cadillac Fleetwood Sedan
                  4.5 Liter V8
                  all Options

                  Comment

                  • wickedwagon767
                    304 AMC
                    • Dec 26, 2005
                    • 1932

                    #10
                    Originally posted by RED-85-Z51
                    Front driveshaft or rear? Both?

                    Id think it would be more severe on the front shaft, due to its length.
                    Could be both. It varies from rig to rig. A friend of mine installed a 6" lift on a Wagoneer and had to have the rear shaft extended 1",but the front was fine. Someone on this board installed one and had to lengthen both shafts a little bit.

                    However, I've seen one that needed no driveshaft work after the lift was installed

                    If money is tight, plan on spending the money on the rear shaft. If the front need extending you can always wait and do that later when the money is there

                    Comment

                    • billyrb
                      BJ's Off-Road
                      • Aug 15, 2001
                      • 10032

                      #11
                      our 6" kit was designed to use the stock d-shafts, even at full flex.
                      BJ's Off-Road
                      [email protected]
                      Your source for '63-'91 FSJ Parts

                      Comment

                      • fulsizjeep
                        Señor Jackhead
                        • Aug 21, 2002
                        • 22496

                        #12
                        Each person is on their own for that first cut.
                        After that, it gets easier...
                        Flint
                        Ran when parked.
                        http://jubileejeeps.org/quadratrac
                        88 GW, 401/727/208, 5" lift, D44s/4.10s/locked up, 35s with a few Evil Twin & TT's Fabworks mods
                        76 401 Wag, 77 401 Wag, 77 401 J20
                        http://eviltwinfab.com http://www.ttsfabworks.com

                        Comment

                        • RED-85-Z51
                          258 I6
                          • Feb 02, 2009
                          • 391

                          #13
                          Originally posted by billyrb
                          our 6" kit was designed to use the stock d-shafts, even at full flex.
                          That's what I needed to know.

                          When the oil pump stuff comes in today or Monday and it gets my oil pressure back up a little bit. Ill be ordering the 6" kit, shocks, lines, sway bar disconnects, track bar drop kit, Thorley headers, and that nice header back exhaust kit...

                          Then it's all body work after that pretty much.
                          1989 Jeep Grand Wagoneer SOLD

                          1998 Ram 1500
                          5.9 Magnum
                          4 speed auto
                          Quad Cab

                          1985 Corvette Z51
                          350 Tuned Port Injection
                          *restoring now*

                          1976 Corvette L48 Stingray
                          -restoring-

                          1989 Cadillac Fleetwood Sedan
                          4.5 Liter V8
                          all Options

                          Comment

                          • mattmopar440
                            AMC 4 OH! 1
                            • May 17, 2007
                            • 4092

                            #14
                            I dont think your being cheap by going procomps I think it's more if what you want out of the truck. Ranchos ride like Crap I have the ES3000 on my wag and the work good offroad and they ride exentlent on road
                            87' Grand Wagoneer
                            401/727/229, Currently:RUNNING
                            84 J10/20 hybrid 258/727/208 Daily Driver
                            80' J10 4BT/AX-15/208
                            74' J10 Go Grabber Green Sold
                            Originally posted by Heavy_Metal_Thunder_81
                            Inferior Chevy

                            Comment

                            • Mark Wilde
                              350 Buick
                              • Jul 20, 2004
                              • 822

                              #15
                              Initially when I did my 4" all-spring lift, I used the longer shocks that came with it (Rusty's), put in the bracket to lower the hardline on the rear axle, removed the track bars and that's it. I ran the stock brake lines, pitman arm and sway bar links. Have not had a problem with brake line length or flex. I've considered removing the sway bar in Ouray, and wish I would have last year, just for more flex on the front. I run BFG 31x10.50 TA/KO's and only rub on the INside of the rear wheel wells at full flex. I've since upgraded (?) to BJ's braided brake lines for 0-4" of lift and find them a little too long. I've considered going back to stock but am too lazy.
                              90 Grand Wagoneer, 401/727/229, TFI upgrade, MC4350 4V, Edelbrock Performer cam, All-Aluminum Radiator, Razor Conversion, 4" Rusty's all-spring, 31x10.50 BFG TA/KO's...much planned, little time/money, thus she's a PipeDream!
                              Status: Up and running, but needs attention....

                              Comment

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