Vehicle weight, torque, max speed

$Pref::staticFriction = 9;
   $Pref::kineticFriction = 7;
   $Pref::lateralForce = 18000;
   $Pref::lateralDamping = 4000;
   $Pref::lateralRelaxation = 1;
   $Pref::longitudinalForce = 18000;
   $Pref::longitudinalDamping = 4000;
   $Pref::longitudinalRelaxation = 1;
   $Pref::length = 0.08;             // Suspension travel
   $Pref::force = 8000;              // Spring force
   $Pref::damping = 200;             // Spring damping
   $Pref::antiSwayForce = 5;         // Lateral anti-sway force
   $Pref::maxDamage = 1.0;
   $Pref::destroyedLevel = 0.5;
   $Pref::maxSteeringAngle = 0.57;  // Maximum steering angle, should match animation
   $Pref::cameraRoll = true;         // Roll the camera with the vehicle
   $Pref::cameraMaxDist = 6;         // Far distance from vehicle
   $Pref::cameraOffset = 1.5;        // Vertical offset from camera mount point
   $Pref::cameraLag = 0.1;           // Velocity lag of camera
   $Pref::cameraDecay = 0.75;        // Decay per sec. rate of velocity lag
   $Pref::mass = 100;
   $Pref::massCenter = "0 0 0";    // Center of mass for rigid body
   $Pref::massBox = "0 0 0";         // Size of box used for moment of inertia,
   $Pref::drag = 0.9;                // Drag coefficient
   $Pref::bodyFriction = 0.6;
   $Pref::bodyRestitution = 0.2;
   $Pref::minImpactSpeed = 15;        // Impacts over this invoke the script callback
   $Pref::softImpactSpeed = 15;       // Play SoftImpact Sound
   $Pref::hardImpactSpeed = 40;      // Play HardImpact Sound
   $Pref::integration = 12;           // Physics integration: TickSec/Rate
   $Pref::collisionTol = 0.4;        // Collision distance tolerance
   $Pref::contactTol = 0.08;          // Contact velocity tolerance
   $Pref::engineTorque = 25000;       // Engine power
   $Pref::engineBrake = 3000;         // Braking when throttle is 0
   $Pref::brakeTorque = 10000;        // When brakes are applied
   $Pref::maxWheelSpeed = 145;        // Engine scale by current speed / max speed
   $Pref::maxEnergy = 100;
   $Pref::jetForce = 3000;
   $Pref::minJetEnergy = 30;
   $Pref::jetEnergyDrain = 2;
   $Pref::FRSteering = 1;  // steering for the Front Right wheel 
   $Pref::FLSteering = 1;  // (can be 1, 0 (no steering), or -1 (inverted steering)
   $Pref::RRSteering = 0;
   $Pref::RLSteering = 0;
   $Pref::FRPower = 1;  // determines whether the wheel is powered or not (1 has power, 0 doesn't)
   $Pref::FLPower = 1;
   $Pref::RRPower = 0;
   $Pref::RLPower = 0;

exec("./dynamic_car.cs");

function bringUpCarData(%val)
    {
       if (%val)
          Canvas.pushDialog(carDataDlg);
    }
    
    moveMap.bind(keyboard, "ctrl d", bringUpCarData);