MUSTANG (OCT. 14) This weekend the Wild West Motorsports Park, located east of Sparks, north of the Mustang Exit on I-80, hosts another first time event. It’s the final round of the Nitto Tire National Championship Ultra 4 Series.   Competing will be everything from UTVs to open Ultra 4 machines as drivers race to secure class titles or improve their points positions. Tuesday was for the media to get rides and check out the new course that alternates between the Lucas Oil track and new sections, two of which are over rocks. After flying over the ski jump drivers