Preheat oven to 375 F. In a bowl, combine flour, baking soda and salt. In another bowl, beat together oil, sugars and vanilla until creamy. Beat in eggs. Gradually add flour mixture. Stir in chocolate chips and nuts. Roll into small balls; flatten slightly onto an ungreased cookie sheet. Bake 9 to 11 minutes, or until edges are golden brown. Freeze the extras.