My car dont move and have rigidbody 1500 and this script
#pragma strict
var wheelFL : WheelCollider;
var wheelFR : WheelCollider;
var wheelRL : WheelCollider;
var wheelRR : WheelCollider;
var maxTorque : float = 50;
var Speed = 10;
function Start () {
}
function Update ()
{
wheelFR.motorTorque * Input.GetAxis ("Vertical") * Speed;
wheelFL.motorTorque * Input.GetAxis ("Vertical") * Speed;
}