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    The best handling combo?

    What is the best way to get the best handling out of my GM?
    The Terror Of The Streets
    http://www.cardomain.com/ride/2299944

    #2
    Right now when i take corners it likes to float to the outside of turns.
    The Terror Of The Streets
    http://www.cardomain.com/ride/2299944

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      #3
      get a police rear sway bar and a bigger front one if you dont already have a 1 1/8 up front. Then get some good shocks and it will be much improved. you can get stiffer springs too if you want to go that far.
      Pete ::::>>> resident LED addict and CFI defector LED bulb replacements
      'LTD HPP' 85 Vic (my rusty baby) '06 Honda Reflex 250cc 'Baileys' 91 Vic (faded cream puff) ClifFord 'ODB' 88 P72 (SOLD) '77 LTDII (RIP)
      sigpic
      85HPP's most noteworthy mods: CFI to SEFI conversion w/HO upperstuff headers & flowmasters P71 airbox Towncar seats LED dash light-show center console w/5 gauge package LED 3rd brake light 3G alternator mini starter washer/coolant bottle upgrade Towncar power trunk pull underhood fuse/relay box 16" HPP wheels - police swaybars w/poly rubbers - budget Alpine driven 10 speaker stereo

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        #4
        I want to go all the way, I am hoping to get my GM to hold the road like my old 99 cougar would.
        The Terror Of The Streets
        http://www.cardomain.com/ride/2299944

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          #5
          Well, time for QA1 shocks, coild over shock conversion for the rear, and 1000lb+ springs for the front, bigger sway bars than are available (ie custom needed), and strip interior and all other non essential parts. Catching this thing up to a compact sports car is going to take a whole lot.

          Comment


            #6
            dont forget to ditch the un parallel 4-bar rear suspension set up. go for either a 3-link set up or a IRS. Also a cage will help to stiffen the frame.
            http://secondhandracing.com/Home.aspx
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            R.I.P. Jason P Harrill 6-12-06

            http://www.grandmarq.net/vb/showthread.php?t=5634

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              #7
              Can't break the laws of physics. You can get that car to handle surprisingly well for a 2 ton luxo barge without a whole lot of money, but it would take a lot of work and $$$ to make it handle as well as a car half it's weight.

              My first suggestion would be to take a look at your front sway bar. Measure the diameter of it and let us know what you have. If it is respectable then a set of the poly bushings and end links would do a lot for body roll up front.
              Better shocks will also make for an improvement.

              The Grand Marquis have softer springs than a standard crown vic. I would swap in a stiffer set of springs as well.

              Tires are also a factor, I would suggest 16" wheels and some sticky tires with a stiff sidewall for better handling as well.

              Then there is the previously mentioned rear sway bar from a cop car.

              If you get through all that, then the car will be world's apart from the way it handles now.

              BTW, if you swap out your springs, I might be iterested in your old ones from the front, assuming the car isn't sagging.

              Bryan
              Owner of the only known 5 speed box wagon with a lift kit.
              AKA, Herkimer the Hillbilly SUV.



              Axle codes
              Open/Lock/Ratio #
              -----------------------
              G / H / 2.26
              B / C / 2.47
              8 / M / 2.73
              7 / - / 3.07
              Y / Z / 3.08
              4 / D / 3.42
              F / R / 3.45
              5 / E / 3.27
              6 / W / 3.73
              2 / K / 3.55
              A / - / 3.63
              J / - / 3.85

              Comment


                #8
                Just upgrade the springs, shocks and put a PI rear bar on it...Bigger front bar makes for more oversteer. Poly bushings throughout. And low profile tires make a big difference also.
                Builder/Owner of Badass Panther Wagons

                Busy maintaining a fleet of Fords

                Comment


                  #9
                  I am going to replace the front springs for sure and you are more than welcome to them, i dont need anymore "spare parts" laying around. The city is already all over me to get rid of what i have.
                  The Terror Of The Streets
                  http://www.cardomain.com/ride/2299944

                  Comment


                    #10
                    Your car looks familiar, but I don't think I've ever seen a GM in that color.


                    '90 Mercury Grand Marquis GS
                    Baseline 5.0L numbers totally stock, 123 rwhp, 239 rwtq
                    5.4L swap coming soon.

                    Comment


                      #11
                      Hey, could you measure from center of the wheel to the top of the fender opening on the front fenders?

                      I can figure out whether your springs are taller than mine, from that.
                      Owner of the only known 5 speed box wagon with a lift kit.
                      AKA, Herkimer the Hillbilly SUV.



                      Axle codes
                      Open/Lock/Ratio #
                      -----------------------
                      G / H / 2.26
                      B / C / 2.47
                      8 / M / 2.73
                      7 / - / 3.07
                      Y / Z / 3.08
                      4 / D / 3.42
                      F / R / 3.45
                      5 / E / 3.27
                      6 / W / 3.73
                      2 / K / 3.55
                      A / - / 3.63
                      J / - / 3.85

                      Comment


                        #12
                        Not a problem ill do it tommrow and post it.

                        N A - Mine is a year older than yours but the same model, i thought your was the same color.
                        The Terror Of The Streets
                        http://www.cardomain.com/ride/2299944

                        Comment


                          #13
                          Have you checked out what GMGT has done to his car? http://www.grandmarq.net/vb/showthread.php?t=939 There is the link to his suspention mods. If I had a box I would probably do that cause it seems like you would get good performance for not a horrible amount of cash.
                          2000 Mustang GT "Blondie", 2000 CVPI "Sargent Crusty"

                          Comment


                            #14
                            make sure the front suspension and steering components are tight with no play

                            1986 lincoln towncar signature series. 5.0 HO with thumper performance ported e7 heads, 1.7 roller rockers, warm air intake, 65mm throttle body, 1/2" intake spacer, ported intakes, 3.73 rear with trac lock, 98-02 front brake conversion, 92-97 rear disc conversion, 1" rear swaybar, 1 3/16" front swaybar, 16" wheels and tires, loud ass stereo system, badass cb, best time to date 15.94 at 87 mph. lots of mods in the works 221.8 rwhp 278 rwt
                            2006 Lincoln Town Car Signature. Stock for now
                            1989 Ford F-250 4x4 much much more to come, sefi converted so far.
                            1986 Toyota pickup with LSC wheels and 225/60/16 tires.
                            2008 Hyundai Elantra future Revcon toad
                            1987 TriBurner and 1986 Alaska stokers keeping me warm. (and some pesky oil heat)

                            please be patient, rebuilding an empire!

                            Comment


                              #15
                              im pretty sure my ball joints are going
                              The Terror Of The Streets
                              http://www.cardomain.com/ride/2299944

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