1. In a small bowl, stir together flour and salt.
2. Whisk together oil, vinegar, and water. Add to flour and stir until mixture forms a ball. Place dough between 2 sheets of waxed paper to roll out.
3. After placing dough in pie pan, chill until firm (15 minutes).To use: bake unfilled pie shell in a 475 degrees F oven for 8-10 minutes. Bake filled pie according to pie recipe.