Soft lr or stiffer lr for more drive

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  • hunterracing
    Senior Member
    • Jan 2009
    • 303

    #1

    Soft lr or stiffer lr for more drive

    Does the old rule thumb still play in affect for mods on 4 bar like say stiffen lr to get more drive or would benifets be better with softer lr say 175 versus 225 I'm on 200 now and it's preloaded a lot just wondering which route be better
  • MasterSbilt_Racer
    Senior Member
    • May 2007
    • 14303

    #2
    Originally posted by hunterracing View Post
    Does the old rule thumb still play in affect for mods on 4 bar like say stiffen lr to get more drive or would benifets be better with softer lr say 175 versus 225 I'm on 200 now and it's preloaded a lot just wondering which route be better
    Neither is always right. Depends on a lot of variables. How are you preloaded a lot with a 200? Sounds like you have tons of wedge, not much drop, or both.
    Modern Day Spec Wedge Racing

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    • hunterracing
      Senior Member
      • Jan 2009
      • 303

      #3
      Little over 100 pounds and standard 4 inch drop

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      • MasterSbilt_Racer
        Senior Member
        • May 2007
        • 14303

        #4
        Originally posted by hunterracing View Post
        Little over 100 pounds and standard 4 inch drop
        Want more drive? Get the lr of the car in the air. I know typically, a mod has shorter bars so they run less drop than a late model. But some of them are going on towards double that .
        Modern Day Spec Wedge Racing

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        • hunterracing
          Senior Member
          • Jan 2009
          • 303

          #5
          16 inch spring that's 13 1/8 total height with lr off ground so compressed bout 3 inches

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          • north louisiana dirt
            Member
            • May 2017
            • 44

            #6
            There are numerous Mark Bush articles about this debate.... IMHO.....cars that hike don't play by the "stiffer spring gets the weight" rule....nothing stiffer than the 2 LR bars...... use a 150# LR spring.... it will be loaded more to get ride height that promotes hike... loosen the chain on LR....... LR spring only knows how much total weight it is holding up., not how far the Eliminator is tightened up..... ( unless it gets to coil bind ) which is bad....

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            • 25jrjr
              Senior Member
              • May 2017
              • 386

              #7
              Increase the hike, lengthen ls bars 1/4-1/2 inch. If ur still not there bolt on a 25lb piece of lead to the axle tube.If its illegal, try it on a test night or don't worry about it on a reg nite. There are several ways to put it there, legally.

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              • hunterracing
                Senior Member
                • Jan 2009
                • 303

                #8
                But loosen chain how much bcs at some point it loses bcs it get so high and just creates more rearsteer?

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