USRA B-MOD suspension help

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  • hobby28
    Member
    • Jul 2007
    • 86

    #1

    USRA B-MOD suspension help

    I have a 1997 Harris Chassis that I have been struggling with all year. I can't get the car to roll to the RR, it will roll to the RF and hike the LR, but the LF stays flat and no forward drive off. Setup LF 600 5-3 RF 550 3-5 LR 16" 175 8-2 RR 13" 150 3-5 QA1 shocks slider in front on LR and behind RR J-bar 4.5" rake even with pinion. Bar angles LR 17 degrees RR 5 degree pull bar 17 degrees pinion angle 8.5. Scale numbers 52 left 56 rear 40# LR bite.
  • dirtracerl77
    Member
    • May 2007
    • 89

    #2
    It may need more rf spring. If it gets on the rf to much on entry, it wont plant the lr to get bite. Which will cause it not to get on the rr.

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    • MasterSbilt_Racer
      Senior Member
      • May 2007
      • 14303

      #3
      9 inch rear? Not familiar with that rules package. There is no way the RR is doing much for you on exit. One wheel drive has little forward bite.
      Modern Day Spec Wedge Racing

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