Tortuga rum cake

Ingredients

• 2 cups cake flour
• 1 1/2 cups granulated sugar
• 4 teaspoons baking powder
• 1 teaspoon salt
• 1/2 cup butter
• 3 tablespoons vegetable oil
• 1/2 cup finely chopped pecans
• 1 package vanilla instant pudding mix
• 1/2 cup milk
• 4 eggs
• 1/3 cup rum
• 1/2 cup vegetable oil
• 1 teaspoon vanilla extract
• 1/2 cup butter
• 1/4 cup water
• 1 cup granulated sugar
• 1/3 cup rum