if you just want to change the steering angle then change the number here(in RED)  to 35.00 or 40.00 or whatever you think makes things better...commoner 

[contact_points]
       //0  Class                        <0=none,1=wheel, 2=scrape, 3=float>
       //1  Longitudinal Position        (feet)
       //2  Lateral Position             (feet)
       //3  Vertical Position            (feet)
       //4  Impact Damage Threshold      (Feet Per Minute)
       //5  Brake Map                    (0=None, 1=Left, 2=Right)
       //6  Wheel Radius                 (feet)
       //7  Steer Angle                  (degrees)
       //8  Static Compression           (feet)  (0 if rigid)
       //9  Max/Static Compression Ratio
       //10 Damping Ratio                (0=Undamped, 1=Critically Damped)
       //11 Extension Time               (seconds)
       //12 Retraction Time              (seconds)
       //13 Sound Type
       //14 Airspeed limit for retraction     (KIAS)
       //15 Airspeed that gear gets damage at (KIAS)
point.0 = 1.000,  67.333,   0.000, -13.850, 2181.102, 0.000, 5.812, 
78.480
, 0.859, 0.500, 0.518, 11.000, 11.000, 0.000, 0.000, 0.000
point.1 = 1.000, -12.583, -18.000, -13.833, 2574.803, 1.000, 5.812,  0.000, 0.602, 0.500, 0.551, 14.900, 14.900, 2.000, 0.000, 0.000
point.2 = 1.000, -12.583,  18.000, -13.833, 2574.803, 2.000, 5.812,  0.000, 0.602, 0.500, 0.551, 17.100, 17.100, 3.000, 0.000,